Made glfwGetProcAddress return a function pointer.
diff --git a/src/internal.h b/src/internal.h
index 5293caf..ec2bab1 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -327,7 +327,7 @@
 void _glfwPlatformSwapInterval(int interval);
 void _glfwPlatformRefreshWindowParams(void);
 int  _glfwPlatformExtensionSupported(const char* extension);
-void* _glfwPlatformGetProcAddress(const char* procname);
+GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
 void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask);