[Windows] Use default aggregate initialization for NVAPI settings

Using the member initialization encouraged in NVAPI documentation for
NVDRS_SETTING results in builds enabling `dev_mode` breaking. Default
aggregate initialization results in a clean build though.

Author: aitorciki

platform/windows/gl_manager_windows_native.cpp

@@ -243,7 +243,7 @@ void GLManagerNative_Windows::_nvapi_setup_profile() {
 		}
 	}
 
-	NVDRS_SETTING ogl_thread_control_setting = { 0 };
+	NVDRS_SETTING ogl_thread_control_setting = {};
 	ogl_thread_control_setting.version = NVDRS_SETTING_VER;
 	ogl_thread_control_setting.settingId = OGL_THREAD_CONTROL_ID;
 	ogl_thread_control_setting.settingType = NVDRS_DWORD_TYPE;
@@ -259,7 +259,7 @@ void GLManagerNative_Windows::_nvapi_setup_profile() {
 		return;
 	}
 
-	NVDRS_SETTING vrr_mode_setting = { 0 };
+	NVDRS_SETTING vrr_mode_setting = {};
 	vrr_mode_setting.version = NVDRS_SETTING_VER;
 	vrr_mode_setting.settingId = VRR_MODE_ID;
 	vrr_mode_setting.settingType = NVDRS_DWORD_TYPE;