Fixed whitespace and env pollution issues in pez

Change-Id: I40574d6cdab31e920535c09d24fe8463aee57586

envsetup.sh

@@ -1238,15 +1238,15 @@ function set_java_home() {
 
 # Print colored exit condition
 function pez {
-	$@
-        retval=$?
-	if [ $retval -ne 0 ]
-	then
-		echo -e "\e[0;31mFAILURE\e[00m"
-	else
-		echo -e "\e[0;32mSUCCESS\e[00m"
-	fi
-        return $retval
+    "$@"
+    local retval=$?
+    if [ $retval -ne 0 ]
+    then
+        echo -e "\e[0;31mFAILURE\e[00m"
+    else
+        echo -e "\e[0;32mSUCCESS\e[00m"
+    fi
+    return $retval
 }
 
 if [ "x$SHELL" != "x/bin/bash" ]; then