fix cloud-build script

cloud-build.sh

@@ -15,14 +15,14 @@ usage: $SCRNAME [OPTIONS]
 
 Options:
   -o, --output-dir  DIR
-  -l, --cloud-image NAME
+  -c, --cloud-image NAME
   -p, --peridot     ID   # optional. will use peridot repos.
   -d, --debug            # optional
 
 "
 
-OPTS=$(getopt -a -n cloud-build -o l:,o:,p:,d,h \
-  -c cloud-image:,output-dir:,peridot:,debug,help -- "$@")
+OPTS=$(getopt -a -n cloud-build -o c:,o:,p:,d,h \
+  -l cloud-image:,output-dir:,peridot:,debug,help -- "$@")
 
 function is_in_path() {
   builtin type -P "${1}"