Add EXE_SUFFIX so strip works in client-install on CygWin.

tmcd/linux/GNUmakefile.in

@@ -75,8 +75,8 @@ sup-install:	dir-install supfile
 	$(INSTALL) -m 600 $(SRCDIR)/cvsup.auth $(DESTDIR)/root/.cvsup/auth
 
 bin-install:	dir-install
-	$(INSTALL) -m 755 -s ../tmcc-nossl $(BINDIR)/tmcc.bin
-	$(INSTALL) -m 755 -s ../findif $(BINDIR)/findif
+	$(INSTALL) -m 755 -s ../tmcc-nossl$(EXE) $(BINDIR)/tmcc.bin$(EXE)
+	$(INSTALL) -m 755 -s ../findif$(EXE) $(BINDIR)/findif$(EXE)
 
 etc-install:	dir-install sysetc-remove sysetc-install
 	$(INSTALL) -m 644 $(SRCDIR)/group $(ETCDIR)/group