NSGL: Disable API deprecation warnings

src/cocoa_platform.h

@@ -31,6 +31,10 @@
 #include <CoreVideo/CVBase.h>
 #include <CoreVideo/CVDisplayLink.h>
 
+// NOTE: All of NSGL was deprecated in the 10.14 SDK
+//       This disables the pointless warnings for every symbol we use
+#define GL_SILENCE_DEPRECATION
+
 #if defined(__OBJC__)
 #import <Cocoa/Cocoa.h>
 #else