logrotate: use standard wchar comment

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/logrotate/Config.in

@@ -7,6 +7,6 @@ config BR2_PACKAGE_LOGROTATE
 
 	  https://fedorahosted.org/logrotate/
 
-comment "logrotate     - disabled (requires wchar support)"
+comment "logrotate requires a toolchain with WCHAR support"
 	depends on !BR2_USE_WCHAR