openshadinglanguage: Commit forgoted patch

mingw-w64-openshadinglanguage/0010-macros-undef-mingw.patch

@@ -0,0 +1,14 @@
+--- OpenShadingLanguage-Release-1.10.2/src/liboslexec/shadingsys.cpp.orig	2018-12-06 11:41:22.923584600 +0300
++++ OpenShadingLanguage-Release-1.10.2/src/liboslexec/shadingsys.cpp	2018-12-06 11:41:42.863612500 +0300
+@@ -54,8 +54,10 @@
+ using namespace OSL::pvt;
+ 
+ // avoid naming conflicts with MSVC macros
+-#ifdef _MSC_VER
++#ifdef _WIN32
+  #undef RGB
++#endif
++#ifdef _MSC_VER
+  // We use some of the iso646.h macro names later on in this file. For
+  // some compilers (MSVS, I'm looking at you) this is trouble. I don't know
+  // how or why that header would have been included here, but it did for at