gfxwrapper: Fix function pointer type mismatch.

Fixes #164.
KhronosGroup · Mar 4, 2020 · 5193d1f · 5193d1f
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diff --git a/changes/sdk/issue.164.gh.OpenXR-SDK-Source.md b/changes/sdk/issue.164.gh.OpenXR-SDK-Source.md
@@ -0,0 +1,4 @@
+---
+- pr.166.OpenXR-SDK-Source
+---
+Fix a mismatched type signature, breaking compiles of hello_xr in at least some Linux environments.
diff --git a/src/common/gfxwrapper_opengl.h b/src/common/gfxwrapper_opengl.h
@@ -488,7 +488,7 @@ extern PFNGLDELETEBUFFERSPROC glDeleteBuffers;
 extern PFNGLBINDBUFFERPROC glBindBuffer;
 extern PFNGLBINDBUFFERBASEPROC glBindBufferBase;
 extern PFNGLBUFFERDATAPROC glBufferData;
-extern PFNGLBUFFERSUBDATAARBPROC glBufferSubData;
+extern PFNGLBUFFERSUBDATAPROC glBufferSubData;
 extern PFNGLBUFFERSTORAGEPROC glBufferStorage;
 extern PFNGLMAPBUFFERPROC glMapBuffer;
 extern PFNGLMAPBUFFERRANGEPROC glMapBufferRange;