Fix a typo (thanks Rivers :D)

Author: Numynum

embeds.xml

@@ -4,7 +4,7 @@ https://raw.githubusercontent.com/Meorawr/wow-ui-schema/main/UI.xsd">
     <Include file="libs\CallbackHandler-1.0\CallbackHandler-1.0.xml"/>
     <Include file="libs\AceAddon-3.0\AceAddon-3.0.xml"/>
     <Include file="libs\AceEvent-3.0\AceEvent-3.0.xml"/>
-    <Include file="libs\AceGui-3.0\AceGui-3.0.xml"/>
+    <Include file="libs\AceGUI-3.0\AceGUI-3.0.xml"/>
     <Include file="libs\AceConfig-3.0\AceConfig-3.0.xml"/>
     <Include file="libs\AceHook-3.0\AceHook-3.0.xml"/>
 </Ui>