compiler: fix critical when vala is called without run args

https://bugzilla.gnome.org/show_bug.cgi?id=793657

diff --git a/compiler/valacompiler.vala b/compiler/valacompiler.vala
index 522b41ac5e61634e9562927e65768c2f0b8577f6..63a567e70ade5cb4e0f9c21b87970f6fbf29c43b 100644 (file)
--- a/compiler/valacompiler.vala
+++ b/compiler/valacompiler.vala
@@ -570,9 +570,11 @@ class Vala.Compiler {
                }
 
                string[] target_args = { output };
-               string[] target_run_args = run_args.split (" ");
-               foreach (string arg in target_run_args) {
-                       target_args += arg;
+               if (run_args != null) {
+                       string[] target_run_args = run_args.split (" ");
+                       foreach (string arg in target_run_args) {
+                               target_args += arg;
+                       }
                }
 
                try {