X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=winboard%2Fwoptions.c;fp=winboard%2Fwoptions.c;h=e6d6e80b6d5cf71c04cf79f7ef07794c18a7b490;hb=0ad96b3c66def72f0086d2a89a5441070696cba8;hp=d4f54d0c5ac4879eace34757b3f371be3ba3cf5b;hpb=696ddbf969b1c965cdcdb8b52466c4c058c8b16d;p=xboard.git

diff --git a/winboard/woptions.c b/winboard/woptions.c
index d4f54d0..e6d6e80 100644
--- a/winboard/woptions.c
+++ b/winboard/woptions.c
@@ -903,7 +903,7 @@ VariantShowRadio(HWND hDlg)
   while((j = radioButton[i++]) != -2) {
 	if(j == -1) continue; // no menu button
 	v = VariantName(i-1); p = strstr(first.variants, v);
-	EnableWindow(GetDlgItem(hDlg, j), appData.noChessProgram || p && (!*v || strlen(v) == strlen[p] || p[strlen[v]] == ','));
+	EnableWindow(GetDlgItem(hDlg, j), appData.noChessProgram || p && (!*v || strlen(v) == strlen(p) || p[strlen(v)] == ','));
   }
   *engineVariant = c;
   for(i=0; i<15; i++) { // initialize engine-defined variants