travis: fix unbound variable in platform.sh

starius · Dec 26, 2015 · 8c6bba0 · 8c6bba0
1 parent c0ab1f2
commit 8c6bba0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis/platform.sh b/.travis/platform.sh
@@ -1,4 +1,4 @@
-if [ -z "$PLATFORM" ]; then
+if [ -z "${PLATFORM:-}" ]; then
   PLATFORM=$TRAVIS_OS_NAME;
 fi