patch 8.1.0949: MS-windows defines GUI macros different than other systems
Problem: MS-windows defines GUI macros different than other systems.
Solution: Swap FEAT_GUI and FEAT_GUI_MSWIN. (Hirohito Higashi, closes #3996)
diff --git a/src/Make_bc5.mak b/src/Make_bc5.mak
index 04f7885..3dd0421 100644
--- a/src/Make_bc5.mak
+++ b/src/Make_bc5.mak
@@ -405,7 +405,7 @@
!endif
!if ("$(GUI)"=="yes")
-DEFINES = $(DEFINES) -DFEAT_GUI -DFEAT_CLIPBOARD
+DEFINES = $(DEFINES) -DFEAT_GUI_MSWIN -DFEAT_CLIPBOARD
!if ("$(DEBUG)"=="yes")
TARGET = gvimd.exe
!else