patch 8.2.4928: various white space and cosmetic mistakes

Problem:    Various white space and cosmetic mistakes.
Solution:   Change spaces to tabs, improve comments.
diff --git a/src/job.c b/src/job.c
index 5fbc2fd..31f0260 100644
--- a/src/job.c
+++ b/src/job.c
@@ -530,7 +530,7 @@
 		}
 		// Allow empty string, "winpty", "conpty".
 		if (!(*p == NUL || STRCMP(p, "winpty") == 0
-					          || STRCMP(p, "conpty") == 0))
+						  || STRCMP(p, "conpty") == 0))
 		{
 		    semsg(_(e_invalid_value_for_argument_str), "tty_type");
 		    return FAIL;