Switched back to version A, since we don't actually have a version A for SDL 1.3.

It would only be meaningful if we were planning to ship 1.2 as A, and 1.3 as B, which is completely worthless given the headers will be for 1.3 and the API is completely different.

Xcode/SDL/SDL.xcodeproj/project.pbxproj

@@ -2346,7 +2346,6 @@
 			buildSettings = {
 				DYLIB_COMPATIBILITY_VERSION = 1.3;
 				DYLIB_CURRENT_VERSION = 1.3.0;
-				FRAMEWORK_VERSION = B;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(GCC_PREPROCESSOR_DEFINITIONS)",
 					"$(GCC_PREPROCESSOR_DEFINITIONS_QUOTED_1)",
@@ -2419,7 +2418,6 @@
 			buildSettings = {
 				DYLIB_COMPATIBILITY_VERSION = 1.3;
 				DYLIB_CURRENT_VERSION = 1.3.0;
-				FRAMEWORK_VERSION = B;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(GCC_PREPROCESSOR_DEFINITIONS)",
 					"$(GCC_PREPROCESSOR_DEFINITIONS_QUOTED_1)",