vendor: remove empty space :)

Change-Id: I9293601dd137bb0c6167e79ba3cca9568810a11f
diff --git a/build/core/qcom_utils.mk b/build/core/qcom_utils.mk
index 4fd782e..866d31f 100755
--- a/build/core/qcom_utils.mk
+++ b/build/core/qcom_utils.mk
@@ -37,10 +37,8 @@
 
 
 # vars for use by utils
-#empty :=
-#space := $(empty) $(empty)
-#colon := $(empty):$(empty)
-#underscore := $(empty)_$(empty)
+colon := $(empty):$(empty)
+underscore := $(empty)_$(empty)
 
 # $(call match-word,w1,w2)
 # checks if w1 == w2