Few warning fixes for -Wall with optimizations

src/Makefile

 CC = gcc
-#CFLAGS = -O6 -fomit-frame-pointer -ffast-math -funroll-loops -mpentiumpro -mcpu=pentiumpro -march=pentiumpro 
-CFLAGS = -g -Wall
+CFLAGS = -Wall -O6 -fomit-frame-pointer -ffast-math -funroll-loops -mpentiumpro -mcpu=pentiumpro -march=pentiumpro 
+#CFLAGS = -g -Wall
 #CFLAGS = -g
 #CFLAGS = -Os
 OBJS = objs.o misc.o id_ca.o id_sd.o id_vh.o id_us.o \

src/id_ca.c

@@ -787,20 +787,20 @@ void CA_UnCacheAudioChunk(int chunk)
 ======================
 */
 
-void CA_LoadAllSounds (void)
+void CA_LoadAllSounds()
 {
-	unsigned	start,i;
+	unsigned start, i;
 
 	switch (oldsoundmode)
 	{
-	case sdm_Off:
-		goto cachein;
 	case sdm_PC:
 		start = STARTPCSOUNDS;
 		break;
 	case sdm_AdLib:
 		start = STARTADLIBSOUNDS;
 		break;
+	default:
+		goto cachein;
 	}
 
 	for (i=0;i<NUMSOUNDS;i++,start++)
@@ -812,14 +812,14 @@ cachein:
 
 	switch (SoundMode)
 	{
-	case sdm_Off:
-		return;
 	case sdm_PC:
 		start = STARTPCSOUNDS;
 		break;
 	case sdm_AdLib:
 		start = STARTADLIBSOUNDS;
 		break;
+	default:
+		return;
 	}
 
 	for (i=0;i<NUMSOUNDS;i++,start++)

src/id_us.c

@@ -299,7 +299,7 @@ boolean US_LineInput(int x,int y,char *buf,char *def,boolean escok,
 {
 	boolean		redraw,
 				cursorvis,cursormoved,
-				done,result;
+				done,result = true;
 	ScanCode	sc;
 	char		c,
 				s[MaxString],olds[MaxString];

src/version.h

@@ -6,7 +6,7 @@
 /* SDM = 2 */
 /* SOD = 3 */
 #ifndef WMODE
-#define WMODE 3
+#define WMODE 1
 #endif
 
 #if WMODE == 0

src/vi_glx.c

@@ -768,7 +768,7 @@ void IN_ClearKeysDown(void)
 ///////////////////////////////////////////////////////////////////////////
 void IN_ReadControl(int player,ControlInfo *info)
 {
-			boolean		realdelta;
+			boolean		realdelta = false;
 			word		buttons;
 			int			dx,dy;
 			Motion		mx,my;

src/vi_svga.c

@@ -605,7 +605,7 @@ void IN_ClearKeysDown(void)
 ///////////////////////////////////////////////////////////////////////////
 void IN_ReadControl(int player,ControlInfo *info)
 {
-			boolean		realdelta;
+			boolean		realdelta = false;
 			word		buttons;
 			int			dx,dy;
 			Motion		mx,my;

src/vi_xlib.c

@@ -1019,7 +1019,7 @@ void IN_ClearKeysDown(void)
 ///////////////////////////////////////////////////////////////////////////
 void IN_ReadControl(int player,ControlInfo *info)
 {
-			boolean		realdelta;
+			boolean		realdelta = false;
 			word		buttons;
 			int			dx,dy;
 			Motion		mx,my;

src/wl_act2.c

@@ -341,7 +341,7 @@ void T_Projectile (objtype *ob)
 			damage = (US_RndT() >>3);
 			break;
 		default:
-			break;
+			return;
 		}
 
 		TakeDamage (damage,ob);
@@ -832,7 +832,7 @@ statetype s_gretelshoot8 	= {false,SPR_GRETEL_SHOOT1,10,NULL,NULL,&s_gretelchase
 
 void SpawnStand (enemy_t which, int tilex, int tiley, int dir)
 {
-	word *map,tile;
+	word *map, tile = 0;
 
 	switch (which)
 	{

src/wl_draw.c

@@ -251,9 +251,9 @@ void ScalePost(byte *wall, int texture)
 ====================
 */
 
-void HitHorizDoor (void)
+void HitHorizDoor()
 {
-	unsigned	texture,doorpage,doornum;
+	unsigned texture, doorpage = 0, doornum;
 	byte *wall;
 
 	doornum = tilehit&0x7f;
@@ -293,9 +293,9 @@ void HitHorizDoor (void)
 ====================
 */
 
-void HitVertDoor (void)
+void HitVertDoor()
 {
-	unsigned	texture,doorpage,doornum;
+	unsigned texture, doorpage = 0, doornum;
 	byte *wall;
 
 	doornum = tilehit&0x7f;

src/wl_menu.c

@@ -1876,7 +1876,7 @@ int moveorder[4]={LEFT,RIGHT,FWRD,BKWD};
 
 void EnterCtrlData(int index,CustomCtrls *cust,void (*DrawRtn)(int),void (*PrintRtn)(int),int type)
 {
- int j,exit,tick,redraw,which,x,picked;
+ int j,exit,tick,redraw,which = 0,x = 0,picked;
  ControlInfo ci;
 
  ShootSnd();