Bug: https://bugs.gentoo.org/921570
Bug: https://bugs.gentoo.org/883207
--- a/wvConfig.c
+++ b/wvConfig.c
@@ -158,7 +158,7 @@ wvReleaseStateData (state_data * data)
 
 
 static void
-exstartElement (void *userData, const char *name, const char **atts)
+exstartElement (void *userData, const unsigned char *name, const unsigned char **atts)
 {
     unsigned int token_type;
     expand_data *mydata = (expand_data *) userData;
@@ -3371,7 +3371,7 @@ wvendElement (void *userData, const XML_Char *name)
 }
 
 static void
-exendElement (void *userData, const char *name)
+exendElement (void *userData, const unsigned char *name)
 {
     /*
        expand_data *mydata = (expand_data *)userData;