build: don't run the versioncheck script if running ./build dependencies

The "dependencies" script are to be run as root. Without this fix, root will
create the version/versiondate file and then the rest of the build system will
break due to lack of root privilege.

build

@@ -24,7 +24,6 @@
 set -u -e
 
 projectname="$(cat projectname)"
-./resources/scripts/misc/versioncheck
 
 build=./resources/scripts/build
 
@@ -68,6 +67,10 @@ fi
 
 mode="${1}"
 
+if [ "${mode}" != "dependencies" ]; then
+	./resources/scripts/misc/versioncheck
+fi
+
 [ "${mode}" = help ] && help && exit 0
 
 if [ $# -gt 1 ]; then