updated for version 7.3.326
Problem:    MingW 4.6 no longer supports the -mno-cygwin option.
Solution:   Split the Cygwin and MingW makefiles. (Matsushita Shougo)
diff --git a/src/GvimExt/Make_ming.mak b/src/GvimExt/Make_ming.mak
index d764e3f..9c383b0 100644
--- a/src/GvimExt/Make_ming.mak
+++ b/src/GvimExt/Make_ming.mak
@@ -1,6 +1,6 @@
 # Project: gvimext
 # Generates gvimext.dll with gcc.
-# Can be used for Cygwin and MingW (MingW ignores -mno-cygwin)
+# To be used with MingW.
 #
 # Originally, the DLL base address was fixed: -Wl,--image-base=0x1C000000
 # Now it is allocated dymanically by the linker by evaluating all DLLs
@@ -31,12 +31,12 @@
 ifeq ($(CROSS),yes)
 DEL = rm
 ifeq ($(MINGWOLD),yes)
-CXXFLAGS := -O2 -mno-cygwin -fvtable-thunks
+CXXFLAGS := -O2 -fvtable-thunks
 else
-CXXFLAGS := -O2 -mno-cygwin
+CXXFLAGS := -O2
 endif
 else
-CXXFLAGS := -O2 -mno-cygwin
+CXXFLAGS := -O2
 ifneq (sh.exe, $(SHELL))
 DEL = rm
 else
@@ -75,4 +75,3 @@
 
 clean: clean-custom
 	-$(DEL)  $(OBJ) $(RES) $(DLL)
-