patch 8.2.4043: using int for second argument of ga_init2()

Problem:    Using int for second argument of ga_init2().
Solution:   Remove unnessary type cast (int) when using sizeof().
diff --git a/src/syntax.c b/src/syntax.c
index f4d7f1d..d2e15a3 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -1414,7 +1414,7 @@
 	{
 	    // Need to clear it, might be something remaining from when the
 	    // length was less than SST_FIX_STATES.
-	    ga_init2(&sp->sst_union.sst_ga, (int)sizeof(bufstate_T), 1);
+	    ga_init2(&sp->sst_union.sst_ga, sizeof(bufstate_T), 1);
 	    if (ga_grow(&sp->sst_union.sst_ga, current_state.ga_len) == FAIL)
 		sp->sst_stacksize = 0;
 	    else
@@ -1833,7 +1833,7 @@
 
     // Init the list of zero-width matches with a nextlist.  This is used to
     // avoid matching the same item in the same position twice.
-    ga_init2(&zero_width_next_ga, (int)sizeof(int), 10);
+    ga_init2(&zero_width_next_ga, sizeof(int), 10);
 
     // use syntax iskeyword option
     save_chartab(buf_chartab);