!51 add install require

From: @loong-C 
Reviewed-by: @yeqinglong01 
Signed-off-by: @yeqinglong01

dde.spec

@@ -2,7 +2,7 @@
 
 Name:           dde
 Version:        2020.11.03
-Release:        4
+Release:        5
 Summary:        Deepin New Desktop Environment - Next
 License:        GPLv3
 URL:            https://uos-packages.deepin.com/uos/pool/main/d/dde/
@@ -15,6 +15,7 @@ Requires:  	lightdm
 Requires:	plymouth
 Requires:  	mesa-dri-drivers
 Requires:  	xorg-x11-server
+Requires:       librsvg2-tools
 Requires:  	dde-api
 Requires:  	dde-kwin
 Requires:  	dde-dock
@@ -147,6 +148,9 @@ openeuler" | passwd openeuler > /dev/null 2>&1
 %{_sysconfdir}/logrotate.d/dde
 
 %changelog
+* Tue Aug 09 2022 liweiganga <liweiganga@uniontech.com> - 2020.11.03-5
+- add install require
+
 * Thu Feb 24 2022 liweigang <liweiganga@uniontech.com> - 2020.11.03-4
 - add install require