updated for version 7.4.078
Problem:    MSVC 2013 is not supported.
Solution:   Recognize and support MSVC 2013. (Ed Brown)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index f23258b..9ae64db 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -424,6 +424,9 @@
 !if "$(_NMAKE_VER)" == "11.00.60610.1"
 MSVCVER = 11.0
 !endif
+!if "$(_NMAKE_VER)" == "12.00.21005.1"
+MSVCVER = 12.0
+!endif
 !endif
 
 # Abort building VIM if version of VC is unrecognised.
@@ -438,7 +441,7 @@
 !endif
 
 # Convert processor ID to MVC-compatible number
-!if ("$(MSVCVER)" != "8.0") && ("$(MSVCVER)" != "9.0") && ("$(MSVCVER)" != "10.0") && ("$(MSVCVER)" != "11.0")
+!if ("$(MSVCVER)" != "8.0") && ("$(MSVCVER)" != "9.0") && ("$(MSVCVER)" != "10.0") && ("$(MSVCVER)" != "11.0") && ("$(MSVCVER)" != "12.0")
 !if "$(CPUNR)" == "i386"
 CPUARG = /G3
 !elseif "$(CPUNR)" == "i486"
@@ -472,7 +475,7 @@
 OPTFLAG = /Ox
 !endif
 
-!if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0") || ("$(MSVCVER)" == "11.0")
+!if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0") || ("$(MSVCVER)" == "11.0") || ("$(MSVCVER)" == "12.0")
 # Use link time code generation if not worried about size
 !if "$(OPTIMIZE)" != "SPACE"
 OPTFLAG = $(OPTFLAG) /GL
@@ -485,7 +488,7 @@
 !endif
 
 # Static code analysis generally available starting with VS2012
-!if ("$(ANALYZE)" == "yes") && ("$(MSVCVER)" == "11.0")
+!if ("$(ANALYZE)" == "yes") && ("$(MSVCVER)" == "11.0") && ("$(MSVCVER)" == "12.0")
 CFLAGS=$(CFLAGS) /analyze
 !endif
 
@@ -943,7 +946,7 @@
 
 # Report link time code generation progress if used. 
 !ifdef NODEBUG
-!if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0") || ("$(MSVCVER)" == "11.0")
+!if ("$(MSVCVER)" == "8.0") || ("$(MSVCVER)" == "9.0") || ("$(MSVCVER)" == "10.0") || ("$(MSVCVER)" == "11.0") || ("$(MSVCVER)" == "12.0")
 !if "$(OPTIMIZE)" != "SPACE"
 LINKARGS1 = $(LINKARGS1) /LTCG:STATUS
 !endif
diff --git a/src/version.c b/src/version.c
index 6e11f7d..aef0879 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    78,
+/**/
     77,
 /**/
     76,