fix mixed build

panda/src/sgraph/Sources.pp

@@ -1,5 +1,10 @@
 #define OTHER_LIBS interrogatedb:c dconfig:c dtoolconfig:m \
                    dtoolutil:c dtoolbase:c dtool:m
+				   
+#if $[eq $[USE_COMPILER], INTEL]
+#define USE_COMPILER MSVC
+#include $[DTOOL]/pptempl/compilerSettings.pp
+#endif
 
 #begin lib_target
   #define TARGET sgraph

panda/src/sgraphutil/Sources.pp

@@ -1,5 +1,10 @@
 #define OTHER_LIBS interrogatedb:c dconfig:c dtoolconfig:m \
                    dtoolutil:c dtoolbase:c dtool:m
+				   
+#if $[eq $[USE_COMPILER], INTEL]
+#define USE_COMPILER MSVC
+#include $[DTOOL]/pptempl/compilerSettings.pp
+#endif				   
 
 #begin lib_target
   #define TARGET sgraphutil