patch 8.1.1948: mouse doesn't work in Linux console

Problem:    Mouse doesn't work in Linux console and causes 100% CPU. (James P.
            Harvey)
Solution:   Loop in WaitForCharOrMouse() when gpm_process_wanted is set.
            (closes #4828)

src/os_unix.c

@@ -6007,10 +6007,11 @@ WaitForCharOrMouse(long msec, int *interrupted, int ignore_input)
 	gpm_process_wanted = 0;
 	avail = RealWaitForChar(read_cmd_fd, msec,
 					     &gpm_process_wanted, interrupted);
+	if (!avail && !gpm_process_wanted)
 # else
 	avail = RealWaitForChar(read_cmd_fd, msec, NULL, interrupted);
-# endif
 	if (!avail)
+# endif
 	{
 	    if (!ignore_input && input_available())
 		return 1;

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1948,
 /**/
     1947,
 /**/