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/search.c b/src/search.c
index c32475c..cd5166f 100644
--- a/src/search.c
+++ b/src/search.c
@@ -2810,8 +2810,8 @@
 #endif
     colnr_T	save_dollar_vcol;
     char_u	*p;
-    long        *so = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so;
-    long        *siso = curwin->w_p_siso >= 0 ? &curwin->w_p_siso : &p_siso;
+    long	*so = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so;
+    long	*siso = curwin->w_p_siso >= 0 ? &curwin->w_p_siso : &p_siso;
 
     /*
      * Only show match for chars in the 'matchpairs' option.
@@ -4189,14 +4189,14 @@
 	    li = list_find(di->di_tv.vval.v_list, 1L);
 	    if (li != NULL)
 	    {
-	        pos.col = tv_get_number_chk(&li->li_tv, &error) - 1;
+		pos.col = tv_get_number_chk(&li->li_tv, &error) - 1;
 		if (error)
 		    return;
 	    }
 	    li = list_find(di->di_tv.vval.v_list, 2L);
 	    if (li != NULL)
 	    {
-	        pos.coladd = tv_get_number_chk(&li->li_tv, &error);
+		pos.coladd = tv_get_number_chk(&li->li_tv, &error);
 		if (error)
 		    return;
 	    }