sdl-config already provides needed libs for MiNT build

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40982

test/configure.in

@@ -28,7 +28,7 @@ case "$target" in
         MATHLIB=""
         SYS_GL_LIBS="-lGL"
         ;;
-    *-*-darwin*)
+    *-*-darwin* | *-*-mint* )
         MATHLIB=""
         SYS_GL_LIBS=""
         ;;
@@ -38,10 +38,6 @@ case "$target" in
         fi
         SYS_GL_LIBS=""
         ;;
-    *-*-mint*)
-        MATHLIB="-lm"
-        SYS_GL_LIBS="-lOSMesa"
-        ;;
     *)
         MATHLIB="-lm"
         AC_PATH_X