Bug 1317068 - Fix typo in pref name. r=jgilbert

MozReview-Commit-ID: 4YyMbOnFvW7

--HG--
extra : rebase_source : e0a115d437fcb7fb3706a8c0a71e7f2c0e2349dd

gfx/thebes/gfxPrefs.h

@@ -424,12 +424,12 @@ private:
   DECL_GFX_PREF(Once, "gfx.work-around-driver-bugs",           WorkAroundDriverBugs, bool, true);
   DECL_GFX_PREF(Once, "gfx.screen-mirroring.enabled",          ScreenMirroringEnabled, bool, false);
 
+  DECL_GFX_PREF(Live, "gl.ignore-dx-interop2-blacklist",       IgnoreDXInterop2Blacklist, bool, false);
   DECL_GFX_PREF(Live, "gl.msaa-level",                         MSAALevel, uint32_t, 2);
 #if defined(XP_MACOSX)
   DECL_GFX_PREF(Live, "gl.multithreaded",                      GLMultithreaded, bool, false);
 #endif
   DECL_GFX_PREF(Live, "gl.require-hardware",                   RequireHardwareGL, bool, false);
-  DECL_GFX_PREF(Live, "ignore-dx-interop2-blacklist",          IgnoreDXInterop2Blacklist, bool, false);
 
   DECL_GFX_PREF(Once, "image.cache.size",                      ImageCacheSize, int32_t, 5*1024*1024);
   DECL_GFX_PREF(Once, "image.cache.timeweight",                ImageCacheTimeWeight, int32_t, 500);