Fix possible memory leak reported by klockwork.

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/modules/evas/engines/wayland_egl/evas_engine.c

@@ -2754,6 +2754,7 @@ eng_gl_context_create(void *data, void *share_context)
    if (!ctx->context)
      {
         ERR("eglCreateContext() fail. code=%#x", eglGetError());
+        free(ctx);
         return NULL;
      }