Fix Makefile

Makefile

@@ -597,7 +597,7 @@ endif # *NIX platforms
 endif # !MINGW
 
 
-TARGET_CLIENT = $(CNAME)$(FULLBINEXT)
+TARGET_CLIENT = $(CNAME)$(ARCHEXT)$(BINEXT)
 
 TARGET_REND1 = $(RENDERER_PREFIX)_opengl_$(SHLIBNAME)
 TARGET_REND2 = $(RENDERER_PREFIX)_opengl2_$(SHLIBNAME)
@@ -674,10 +674,6 @@ $(echo_cmd) "WINDRES $<"
 $(Q)$(WINDRES) -i $< -o $@
 endef
 
-ifndef FULLBINEXT
-  FULLBINEXT=.$(ARCH)$(BINEXT)
-endif
-
 ifndef SHLIBNAME
   SHLIBNAME=$(ARCH).$(SHLIBEXT)
 endif