fix segfault with mouse selection. (thx anonymous)

diff --git a/st.c b/st.c
index b331ead..df8353a 100644 (file)
--- a/st.c
+++ b/st.c
@@ -615,7 +615,7 @@ bmotion(XEvent *e) {
                if(oldey != sel.ey || oldex != sel.ex) {
                        int starty = MIN(oldey, sel.ey);
                        int endy = MAX(oldey, sel.ey);
-                       drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row));
+                       drawregion(0, (starty > 0 ? starty : 0), term.col, (endy < term.row ? endy+1 : term.row));
                }
        }
 }