patch 8.1.0482: MinGW "make clean" deletes all .exe files

Problem:    MinGW "make clean" deletes all .exe files.
Solution:   Only delete .exe files that it builds. (Ken takata)
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 3f05842..f5f134b 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -972,7 +972,11 @@
 	$(MAKE) -C GvimExt -f Make_ming.mak CROSS=$(CROSS) CROSS_COMPILE=$(CROSS_COMPILE) CXX='$(CXX)' STATIC_STDCPLUS=$(STATIC_STDCPLUS)
 
 tags: notags
-	$(CTAGS) *.c *.cpp *.h if_perl.xs
+	$(CTAGS) *.c *.cpp *.h
+ifdef PERL
+	$(CTAGS) --append=yes auto$(DIRSLASH)if_perl.c
+endif
+
 
 notags:
 	-$(DEL) tags
@@ -981,7 +985,7 @@
 	-$(DEL) $(OUTDIR)$(DIRSLASH)*.o
 	-$(DEL) $(OUTDIR)$(DIRSLASH)*.res
 	-rmdir $(OUTDIR)
-	-$(DEL) *.exe
+	-$(DEL) $(TARGET) vimrun.exe install.exe uninstal.exe
 	-$(DEL) pathdef.c
 ifdef PERL
 	-$(DEL) if_perl.c
diff --git a/src/version.c b/src/version.c
index dada7a7..09334c4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    482,
+/**/
     481,
 /**/
     480,