updated for version 7.3.930
Problem:    MSVC 2012 update is not recognized.
Solution:   Update the version in the makefile. (Raymond Ko)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index 36da162..2a4a3e8 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -416,6 +416,9 @@
 !if "$(_NMAKE_VER)" == "11.00.51106.1"
 MSVCVER = 11.0
 !endif
+!if "$(_NMAKE_VER)" == "11.00.60315.1"
+MSVCVER = 11.0
+!endif
 !endif
 
 # Abort building VIM if version of VC is unrecognised.