golang: Update to 1.12.3

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/golang/golang-version.mk

@@ -11,4 +11,4 @@ endif
 
 
 GO_VERSION_MAJOR_MINOR:=1.12
-GO_VERSION_PATCH:=1
+GO_VERSION_PATCH:=3

lang/golang/golang/Makefile

@@ -18,7 +18,7 @@ GO_SOURCE_URLS:=https://dl.google.com/go/ \
 
 PKG_SOURCE:=go$(PKG_VERSION).src.tar.gz
 PKG_SOURCE_URL:=$(GO_SOURCE_URLS)
-PKG_HASH:=0be127684df4b842a64e58093154f9d15422f1405f1fcff4b2c36ffc6a15818a
+PKG_HASH:=5c507abe8818429d74ebb650a4155d36bc3f9a725e59e76f5d6aca9690be2373
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE