internal/glfw/glfw: move egl_context.* files

internal/glfw/glfw/c_glfw_darwin.go

@@ -11,6 +11,5 @@ package glfw
 #include "glfw/src/cocoa_window.m"
 #include "glfw/src/cocoa_time.c"
 #include "glfw/src/nsgl_context.m"
-#include "glfw/src/egl_context.c"
 */
 import "C"

internal/glfw/glfw/c_glfw_linbsd.go

@@ -25,6 +25,5 @@ package glfw
 	#include "glfw/src/glx_context.c"
 #endif
 #include "glfw/src/xkb_unicode.c"
-#include "glfw/src/egl_context.c"
 */
 import "C"

internal/glfw/glfw/egl_context.c

@@ -27,6 +27,8 @@
 // Please use C89 style variable declarations in this file because VS 2010
 //========================================================================
 
+//go:build darwin || freebsd || linux || netbsd || openbsd
+
 #include "internal.h"
 
 #include <stdio.h>

internal/glfw/glfw/egl_context.h

@@ -25,6 +25,8 @@
 //
 //========================================================================
 
+//go:build darwin || freebsd || linux || netbsd || openbsd
+
 #if defined(_GLFW_USE_EGLPLATFORM_H)
  #include <EGL/eglplatform.h>
 #elif defined(_GLFW_COCOA)