[dev] [st] pasting to gvim sucks

[p37sitdu]

This patch makes behaviour consistent with xterm and comments.

diff --git a/st.c b/st.c
index 93058b9..90c102e 100644
--- a/st.c
+++ b/st.c
@@ -790,7 +790,7 @@ selcopy(void) {
                        }
                        /* \n at the end of every selected line except for the 
last one */
                        if(is_selected && y < sel.e.y)
-                               *ptr++ = '\r';
+                               *ptr++ = '\n';
                }
                *ptr = 0;
        }