ecore-con/proxy_helper: fix in-tree run path

this is located in the bin/ecore_con directory, not bin/ecore_con/utils,
so ensure that we pass the correct path in order to avoid not finding the
file

@fix
ref T6713

Differential Revision: https://phab.enlightenment.org/D6515

src/lib/ecore_con/ecore_con_proxy_helper.c

@@ -88,7 +88,7 @@ _efl_net_proxy_helper_spawn(void)
      }
    // find binary location path
    if (run_in_tree == 1)
-     bs_binary_get(buf, sizeof(buf), "ecore_con/utils", "efl_net_proxy_helper");
+     bs_binary_get(buf, sizeof(buf), "ecore_con", "efl_net_proxy_helper");
    else
 #endif
      snprintf