Silencing warnings about potential comma mis-use.

3rdparty/stb/stb_image.h

@@ -1,3 +1,9 @@
+#if defined(__has_warning)
+#	if __has_warning("-Wcomma")
+#		pragma GCC diagnostic ignored "-Wcomma" // Possible misuse of comma operator here
+#	endif
+#endif
+
 #if defined(_MSC_VER)
 #	pragma warning(disable:4244) // warning C4244: '=': conversion from 'int' to 'stbi__uint16', possible loss of data
 #	pragma warning(disable:4245) // warning C4245: 'argument': conversion from 'int' to 'char', signed/unsigned mismatch

3rdparty/tinyexr/tinyexr.h

@@ -1,3 +1,9 @@
+#if defined(__has_warning)
+#	if __has_warning("-Wcomma")
+#		pragma GCC diagnostic ignored "-Wcomma" // Possible misuse of comma operator here
+#	endif
+#endif
+
 /*
 Copyright (c) 2014 - 2016, Syoyo Fujita
 All rights reserved.