Fix path detection for partial failures

Return stdout on exception when suppressException is true. When running
`find` in a directory like `/etc/`, find may return a non-zero error
code because of permissions on unrelated subdirectories but still find
the files we're looking for.

Author: meastman

lib/ozwpaths.js

@@ -29,6 +29,7 @@ function doScript(script, suppressException) {
   } catch(e) {
     //console.log('---> ' + e.toString());
     if (!suppressException) throw e;
+    if (e.stdout) return e.stdout.toString();
   }
 }