vulkaninfo: fix device ext list having bad items

vkconfig exposed an issue in the vulkan-loader which resulted in two different sizes
returned from vkEnumerateDeviceExtensionProperties(). A full fix requires a change to
the loader, but this commit stops the issue from happening in vulkaninfo.

Change-Id: I808d1fd13868711675aae5c91ea5100ec8cbc316
diff --git a/vulkaninfo/vulkaninfo.h b/vulkaninfo/vulkaninfo.h
index c83691b..8eca1ea 100644
--- a/vulkaninfo/vulkaninfo.h
+++ b/vulkaninfo/vulkaninfo.h
@@ -240,6 +240,7 @@
         if (err) THROW_VK_ERR(func_name, err);
         results.resize(count, init);
         err = f(ts..., &count, results.data());
+        results.resize(count);
     } while (err == VK_INCOMPLETE);
     if (err) THROW_VK_ERR(func_name, err);
     return results;