fix twtxt parsing

main.c

@@ -75,7 +75,7 @@ int gettwtxt(FILE* f) {
   char datebuf[16] = {0};
   char msgbuf[240] = {0};
   char urlbuf[256] = {0};
-  char *l, *d, *m;
+  char *l, *d, *m, *u;
   FILE* twtxt = fopen(SITEROOT TWTXT, "r");
 
   scat(buf, "<div id='twtxtFeed'><h2>recent activity</h2>\n<table>\n");
@@ -129,6 +129,10 @@ int gettwtxt(FILE* f) {
       while (*m) {
         *m++ = 0;
       }
+      u = urlbuf;
+      while (*u) {
+        *u++ = 0;
+      }
       i++;
     }
     fclose(twtxt);