py/mkrules: Change LIB to LIBS.

Same in ports/windows/Makefile to be consistent
with other ports. Resolves build error after 7176acb.

Signed-off-by: Dryw Wade <[email protected]>

Author: sfe-SparkFro

ports/windows/Makefile

@@ -85,7 +85,7 @@ CFLAGS += -DMICROPY_USE_READLINE=1
 SRC_C += shared/readline/readline.c
 endif
 
-LIB += -lws2_32
+LIBS += -lws2_32
 
 # List of sources for qstr extraction
 SRC_QSTR += $(SRC_C) $(SRC_CXX) $(SHARED_SRC_C)

py/mkrules.mk

@@ -247,7 +247,7 @@ $(BUILD)/$(PROG): $(OBJ)
 	$(ECHO) "LINK $@"
 # Do not pass COPT here - it's *C* compiler optimizations. For example,
 # we may want to compile using Thumb, but link with non-Thumb libc.
-	$(Q)$(CC) -o $@ $^ $(LIB) $(LDFLAGS)
+	$(Q)$(CC) -o $@ $^ $(LIBS) $(LDFLAGS)
 ifndef DEBUG
 ifdef STRIP
 	$(Q)$(STRIP) $(STRIPFLAGS_EXTRA) $@