[dev] [st] minor fix

[Johannes Hofmann]

Hi,

there is a small glitch in the error handling of the select() call
in st.c. See patch below.

Regards,
Johannes

diff --git a/st.c b/st.c
index 5251e70..689de26 100644
--- a/st.c
+++ b/st.c
@@ -3481,7 +3481,7 @@ run(void) {
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);
 
-               switch(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
+               switch(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv)) {
                case -1:
                        if(errno == EINTR)
                                continue;