Fix script

Change-Id: I5d4fedfe33cc06f56795d29d7eaab4378020e7ed
diff --git a/Tools/fuchsia/build_curl.sh b/Tools/fuchsia/build_curl.sh
index 560c3c1..c78d5f7 100755
--- a/Tools/fuchsia/build_curl.sh
+++ b/Tools/fuchsia/build_curl.sh
@@ -44,7 +44,7 @@
   esac
 done
 
-if [ $clean_build = "false" or $just_make = "true" ]; then
+if [ $clean_build = "false" ] || [ $just_make = "true" ]; then
     has_stamp curl
 else
     __has_stamp=false