[hackers] [st] Style fixes in tscrollup. || noname

[git]

commit 16ac85bf5422a7e925743f6134572d3ac1a25188
Author: noname <non...@inventati.org>
Date:   Sun Apr 20 17:26:39 2014 +0400

    Style fixes in tscrollup.

diff --git a/st.c b/st.c
index dffa84e..60243a7 100644
--- a/st.c
+++ b/st.c
@@ -1414,15 +1414,16 @@ void
 tscrollup(int orig, int n) {
        int i;
        Line temp;
+
        LIMIT(n, 0, term.bot-orig+1);
 
        tclearregion(0, orig, term.col-1, orig+n-1);
        tsetdirt(orig+n, term.bot);
 
        for(i = orig; i <= term.bot-n; i++) {
-                temp = term.line[i];
-                term.line[i] = term.line[i+n];
-                term.line[i+n] = temp;
+               temp = term.line[i];
+               term.line[i] = term.line[i+n];
+               term.line[i+n] = temp;
        }
 
        selscroll(orig, -n);