schema compile CHANGE decrease severity of unspported chblocks message

... as they are used even in ietf-yang-library.
diff --git a/src/schema_compile_node.c b/src/schema_compile_node.c
index fa2fd36c..ba7e4cb 100644
--- a/src/schema_compile_node.c
+++ b/src/schema_compile_node.c
@@ -1129,6 +1129,7 @@
         /* need more space */
         if (end - start < URANGE_LEN) {
             perl_regex = ly_realloc(perl_regex, strlen(perl_regex) + (URANGE_LEN - (end - start)) + 1);
+            *regex = perl_regex;
             LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx), LY_EMEM);
         }
 
@@ -1163,12 +1164,11 @@
         }
     }
 
-    /* at least warn about other XML Schema vs. Perl character block differences */
+    /* at least inform about other XML Schema vs. Perl character block differences */
     if (strstr(perl_regex, "\\d") || strstr(perl_regex, "\\w")) {
-        LOGWRN(ctx, "Character blocks \"\\d\" and \"\\w\" accept only ASCII characters.");
+        LOGVRB("Character blocks \"\\d\" and \"\\w\" accept only ASCII characters.");
     }
 
-    *regex = perl_regex;
     return LY_SUCCESS;
 }