Issue #403 PR #641 - Hot fix for column tabs count

Author: geoffmcl

src/streamio.c

@@ -269,14 +269,14 @@ uint TY_(ReadChar)( StreamIn *in )
         if (c == '\t')
         {
             Bool keeptabs = cfg( in->doc, TidyKeepTabs );
-            in->curcol++;
             if (!keeptabs) {
                 uint tabsize = cfg(in->doc, TidyTabSize);
                 in->tabs = tabsize > 0 ?
                     tabsize - ((in->curcol - 1) % tabsize) - 1
                     : 0;
                 c = ' ';
             }
+            in->curcol++;
             break;
         }