mongoose: use $(TARGET_MAKE_ENV) when calling $(MAKE)

Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mongoose/mongoose.mk

@@ -19,8 +19,8 @@ MONGOOSE_CFLAGS += -DNS_ENABLE_SSL -lssl -lcrypto -lz
 endif
 
 define MONGOOSE_BUILD_CMDS
-	$(TARGET_CC) -c $(@D)/mongoose.c $(MONGOOSE_CFLAGS) -o $(@D)/mongoose.o
-	$(TARGET_AR) rcs $(@D)/libmongoose.a $(@D)/mongoose.o
+	$(TARGET_MAKE_ENV) $(TARGET_CC) -c $(@D)/mongoose.c $(MONGOOSE_CFLAGS) -o $(@D)/mongoose.o
+	$(TARGET_MAKE_ENV) $(TARGET_AR) rcs $(@D)/libmongoose.a $(@D)/mongoose.o
 endef
 
 define MONGOOSE_INSTALL_STAGING_CMDS