Tweak editorconfig for postgis_proc_upgrade.pl and indent it properly

It looks like most lines are using 4-spaces indent, make that official
and tweak the non-conforming lines (53 lines over 580 total lines)

git-svn-id: http://svn.osgeo.org/postgis/trunk@17873 b70326c6-7e19-0410-871a-916f4a2858ee

.editorconfig

@@ -21,6 +21,11 @@ indent_style = tab
 [*.pl]
 indent_style = tab
 
+# Exception: utils/postgis_proc_upgrade.pl uses 4-spaces indent
+[utils/postgis_proc_upgrade.pl]
+indent_style = space
+indent_size = 4
+
 # SQL files want tab indentation
 [*.{sql,sql.in}]
 indent_style = tab

utils/postgis_proc_upgrade.pl

@@ -272,7 +272,6 @@ EOF
 
         my $pg12_def = $def;
         $pg12_def =~ s/CREATE AGGREGATE/CREATE OR REPLACE AGGREGATE/;
-
         if ($pg12_def eq "")
         {
             $pg12_def = "RAISE EXCEPTION 'Could not parse AGGREGATE'";