Update static linking target

Makefile.libretro

@@ -451,7 +451,11 @@ all: $(TARGET)
 
 $(TARGET): $(OBJECTS) 
 ifeq ($(STATIC_LINKING), 1)
+ifneq (,$(findstring msvc,$(platform)))
+	$(LD) $(LINKOUT)$@ $(OBJECTS)
+else
 	$(AR) rcs $@ $(OBJECTS)
+endif
 else
 	$(LD) $(fpic) $(SHARED) $(INCLUDES) $(LFLAGS) $(LINKOUT)$@ $(OBJECTS) $(LDFLAGS) $(LIBS)
 endif