Merge pull request #1167 from harshavardhana/fix-release-tag

build: Fix release tag.

Makefile

@@ -138,10 +138,10 @@ dockerimage: checkdocker verifiers $(UI_ASSETS)
 	@rm minio.dockerimage
 
 release: verifiers
-	@MC_RELEASE=RELEASE GO15VENDOREXPERIMENT=1 ./buildscripts/build.sh
+	@MINIO_RELEASE=RELEASE GO15VENDOREXPERIMENT=1 ./buildscripts/build.sh
 
 experimental: verifiers
-	@MC_RELEASE=EXPERIMENTAL GO15VENDOREXPERIMENT=1 ./buildscripts/build.sh
+	@MINIO_RELEASE=EXPERIMENTAL GO15VENDOREXPERIMENT=1 ./buildscripts/build.sh
 
 clean:
 	@echo "Cleaning up all the generated files:"

buildscripts/build.sh

@@ -14,11 +14,11 @@ _init() {
     fi
 
     # Extract release string.
-    release_str=$(echo $MC_RELEASE | tr '[:upper:]' '[:lower:]')
+    release_str=$(echo $MINIO_RELEASE | tr '[:upper:]' '[:lower:]')
 
     # Verify release string.
     if [ -z "$release_str" ]; then
-        echo "Release string cannot be empty. Please set \`MC_RELEASE\` env variable."
+        echo "Release string cannot be empty. Please set \`MINIO_RELEASE\` env variable."
         exit 1;
     fi