MSVC: using SOLARINC and EXCFLAGS

--- curl/lib/Makefile.vc10	2012-05-24 12:07:02.000000000 -0400
+++ curl/lib/Makefile.vc10	2012-10-29 11:53:44.658809300 -0400
@@ -117,7 +117,7 @@
 ZLIBLIBSDLL  = zdll.lib
 ZLIBLIBS     = zlib.lib
 WINLIBS      = ws2_32.lib wldap32.lib advapi32.lib
-CFLAGS       = $(CFLAGS)
+CFLAGS       = $(CFLAGS) $(EXCFLAGS)
 
 CFGSET       = FALSE
 
@@ -620,11 +620,11 @@
 debug-dll-ssl-dll\libcurl.res \
 debug-dll-zlib-dll\libcurl.res \
 debug-dll-ssl-dll-zlib-dll\libcurl.res: libcurl.rc
-	rc /dDEBUGBUILD=1 /Fo $@ libcurl.rc
+	rc $(SOLARINC) /dDEBUGBUILD=1 /Fo $@ libcurl.rc

 release-dll\libcurl.res \
 release-dll-ssl-dll\libcurl.res \
 release-dll-zlib-dll\libcurl.res \
 release-dll-ssl-dll-zlib-dll\libcurl.res: libcurl.rc
-	rc /dDEBUGBUILD=0 /Fo $@ libcurl.rc
+	rc $(SOLARINC) /dDEBUGBUILD=0 /Fo $@ libcurl.rc
 !ENDIF  # End of case where a config was provided.