SourceMod can now be somewhat compiled on OS X for patch sanity testing (bug 3516, r=ds).

This adds the ability for us to change the GCC version we use more flexibly.

extensions/sqlite/driver/SqDriver.cpp

@@ -151,7 +151,7 @@ inline bool IsPathSepChar(char c)
 {
 #if defined PLATFORM_WINDOWS
 	return (c == '\\' || c == '/');
-#elif defined PLATFORM_LINUX
+#elif defined PLATFORM_LINUX || defined PLATFORM_APPLE
 	return (c == '/');
 #endif
 }

extensions/sqlite/driver/SqResults.cpp

@@ -343,7 +343,7 @@ bool SqResults::IsNull(unsigned int columnId)
 	return (field->type == SQLITE_NULL);
 }
 
-unsigned int SqResults::GetDataSize(unsigned int columnId)
+size_t SqResults::GetDataSize(unsigned int columnId)
 {
 	SqField *field = GetField(columnId);
 	if (!field)