Use greater than test for GL version.

src/bgfx_p.h

@@ -139,7 +139,7 @@ namespace stl {
 #elif BGFX_CONFIG_RENDERER_DIRECT3D11
 #	define BGFX_RENDERER_NAME "Direct3D 11"
 #elif BGFX_CONFIG_RENDERER_OPENGL
-#	if BGFX_CONFIG_RENDERER_OPENGL == 31
+#	if BGFX_CONFIG_RENDERER_OPENGL >= 31
 #		define BGFX_RENDERER_NAME "OpenGL 3.1"
 #	else
 #		define BGFX_RENDERER_NAME "OpenGL 2.1"

src/glcontext_wgl.cpp

@@ -202,7 +202,7 @@ namespace bgfx
 			uint32_t flags = BGFX_CONFIG_DEBUG ? WGL_CONTEXT_DEBUG_BIT_ARB : 0;
 			int32_t contextAttrs[] =
 			{
-#if BGFX_CONFIG_RENDERER_OPENGL == 31
+#if BGFX_CONFIG_RENDERER_OPENGL >= 31
 				WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
 				WGL_CONTEXT_MINOR_VERSION_ARB, 1,
 				WGL_CONTEXT_FLAGS_ARB, flags,
@@ -210,7 +210,7 @@ namespace bgfx
 #else
 				WGL_CONTEXT_MAJOR_VERSION_ARB, 2,
 				WGL_CONTEXT_MINOR_VERSION_ARB, 1,
-#endif // BGFX_CONFIG_RENDERER_OPENGL == 31
+#endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
 				0
 			};