Avoided a false assertion in ChildProcess

modules/juce_core/native/juce_posix_SharedCode.h

@@ -1058,7 +1058,8 @@ public:
 
         // Looks like you're trying to launch a non-existent exe or a folder (perhaps on OSX
         // you're trying to launch the .app folder rather than the actual binary inside it?)
-        jassert (File::getCurrentWorkingDirectory().getChildFile (exe).existsAsFile());
+        jassert (File::getCurrentWorkingDirectory().getChildFile (exe).existsAsFile()
+                  || ! exe.containsChar (File::separator));
 
         int pipeHandles[2] = { 0 };