Merge pull request #692 from hrydgard/no-nvextensions-build-fix

Fix build if NV_EXTENSIONS is not set

glslang/MachineIndependent/ParseHelper.cpp

@@ -3969,6 +3969,8 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
             return;
         }
     }
+#else
+    }
 #endif
     error(loc, "unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)", id.c_str(), "");
 }