scan_urlencoded should convert '+' to ' '

CHANGES

@@ -7,6 +7,7 @@
     add FMT_LONG to fmt.h (FMT_ULONG plus 1 for sign)
     fmt_strn did not work for out==NULL
     fix inconsistencies in man pages
+  make scan_urlencode do the '+' -> ' ' transformation
 
 0.12:
   add textcode api for uuencode/uudecode, base64, quoted printable,

textcode/scan_urlencoded.c

@@ -21,9 +21,10 @@ unsigned int scan_urlencoded(const char *src,char *dest,unsigned int *destlen) {
       if (j<0) break;
       dest[written]|=j;
       i+=2;
-    } else {
+    } if (s[i]=='+')
+      dest[written]=' ';
+    else
       dest[written]=s[i];
-    }
     ++written;
   }
   *destlen=written;