Typo: PopupPanal_Spacing -> PopupPanel_Spacing

Change-Id: I0a3ab537a9c14ffe49c3b695ba6f40cf16d201d8
Reviewed-on: https://gerrit.libreoffice.org/24015Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>

svx/source/sidebar/text/TextCharacterSpacingControl.hxx

@@ -31,7 +31,7 @@ namespace svx { namespace sidebar {
 #define SPACING_CLOSE_BY_CLICK_ICON     -1
 #define SPACING_CLOSE_BY_CUS_EDIT       1
 
-#define SIDEBAR_SPACING_GLOBAL_VALUE   "PopupPanal_Spacing"
+#define SIDEBAR_SPACING_GLOBAL_VALUE   "PopupPanel_Spacing"
 
 #define SIDEBAR_SPACE_NORMAL    0
 #define SIDEBAR_SPACE_EXPAND    1