Added wglGetExtensionsStringARB.

diff --git a/dlls/opengl32/make_opengl b/dlls/opengl32/make_opengl
index fb03be1..c7e9447 100755
--- a/dlls/opengl32/make_opengl
+++ b/dlls/opengl32/make_opengl
@@ -518,6 +518,7 @@
 @  stdcall wglGetCurrentContext()
 @  stdcall wglGetCurrentDC()
 @  stdcall wglGetExtensionsStringEXT()
+@  stdcall wglGetExtensionsStringARB(long)
 @  stdcall wglGetLayerPaletteEntries(long long long long ptr)
 @  stdcall wglGetProcAddress(str)
 @  stdcall wglMakeCurrent(long long)
diff --git a/dlls/opengl32/opengl32.spec b/dlls/opengl32/opengl32.spec
index 8a7fb70..d342945 100644
--- a/dlls/opengl32/opengl32.spec
+++ b/dlls/opengl32/opengl32.spec
@@ -6,6 +6,7 @@
 @  stdcall wglGetCurrentContext()
 @  stdcall wglGetCurrentDC()
 @  stdcall wglGetExtensionsStringEXT()
+@  stdcall wglGetExtensionsStringARB(long)
 @  stdcall wglGetLayerPaletteEntries(long long long long ptr)
 @  stdcall wglGetProcAddress(str)
 @  stdcall wglMakeCurrent(long long)
diff --git a/dlls/opengl32/wgl.c b/dlls/opengl32/wgl.c
index 9124565..03e85c0 100644
--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -653,7 +653,7 @@
 }
 
 /* Some WGL extensions... */
-static const char *WGL_extensions = "";
+static const char *WGL_extensions = "WGL_ARB_extensions_string WGL_EXT_extensions_string";
 
 const char * WINAPI wglGetExtensionsStringEXT(void) {
     TRACE("() returning \"%s\"\n", WGL_extensions);
@@ -667,6 +667,15 @@
 }
 
 /***********************************************************************
+ *              wglGetExtensionsStringARB(OPENGL32.@)
+ */
+const char * WINAPI wglGetExtensionsStringARB(HDC hdc) {
+
+  return wglGetExtensionsStringEXT();
+}
+
+
+/***********************************************************************
  *           OpenGL initialisation routine
  */
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
diff --git a/dlls/opengl32/wgl.h b/dlls/opengl32/wgl.h
index 8960e14..0d2781b 100644
--- a/dlls/opengl32/wgl.h
+++ b/dlls/opengl32/wgl.h
@@ -112,6 +112,6 @@
 			       FLOAT extrusion,
 			       int format,
 			       LPGLYPHMETRICSFLOAT lpgmf) ;
+const char * WINAPI wglGetExtensionsStringARB(HDC hdc) ;
 
 #endif /* __DLLS_OPENGL32_WGL_H */
-