diff --git a/src/bgfx.cpp b/src/bgfx.cpp
old mode 100755
new mode 100644
diff --git a/src/bgfx_p.h b/src/bgfx_p.h
old mode 100755
new mode 100644
diff --git a/src/glcontext_eagl.h b/src/glcontext_eagl.h
old mode 100755
new mode 100644
diff --git a/src/glcontext_glx.cpp b/src/glcontext_glx.cpp
index 4f757c72f..be9e4e069 100644
--- a/src/glcontext_glx.cpp
+++ b/src/glcontext_glx.cpp
@@ -74,7 +74,7 @@ namespace bgfx
 
 		BX_TRACE("glX num configs %d", numConfigs);
 
-		XVisualInfo* visualInfo = 0;
+		XVisualInfo* visualInfo = NULL;
 		for (int ii = 0; ii < numConfigs; ++ii)
 		{
 			visualInfo = glXGetVisualFromFBConfig(s_display, configs[ii]);
@@ -108,12 +108,13 @@ namespace bgfx
 				if (valid)
 				{
 					bestConfig = configs[ii];
+					BX_TRACE("Best config %d.", ii);
 					break;
 				}
 			}
 
 			XFree(visualInfo);
-			visualInfo = 0;
+			visualInfo = NULL;
 		}
 
 		XFree(configs);
diff --git a/src/glcontext_ios.h b/src/glcontext_ios.h
old mode 100755
new mode 100644
diff --git a/src/glcontext_nsgl.h b/src/glcontext_nsgl.h
old mode 100755
new mode 100644
diff --git a/src/glcontext_nsgl.mm b/src/glcontext_nsgl.mm
old mode 100755
new mode 100644
diff --git a/src/renderer_gl.h b/src/renderer_gl.h
old mode 100755
new mode 100644