[vte] Fix build with -Werror=format

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ee34c83ec9ea23f71f209f58bee49bf09affdc31
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Sep 29 23:14:24 2015 -0500

    Fix build with -Werror=format
    
    -Werror=format is set by default in configure.ac so let's make it work.

 src/vte.cc |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/vte.cc b/src/vte.cc
index 3e07a61..87a91ba 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -1546,7 +1546,7 @@ vte_terminal_match_check_internal_pcre(VteTerminal *terminal,
                         c = g_utf8_get_char (terminal->pvt->match_contents + offset);
                         utf[g_unichar_to_utf8(g_unichar_isprint(c) ? c : 0xFFFD, utf)] = 0;
 
-                       g_printerr("Cursor is on character U+%04X '%s' at %d.\n",
+                       g_printerr("Cursor is on character U+%04X '%s' at %" G_GSSIZE_FORMAT ".\n",
                                    c, utf, offset);
                 }
        }
@@ -1685,7 +1685,7 @@ vte_terminal_match_check_internal_pcre(VteTerminal *terminal,
                                 _eattr = &g_array_index(terminal->pvt->match_attributes,
                                                        struct _VteCharAttributes,
                                                        rm_eo - 1);
-                                g_printerr("%s match `%s' from %d(%ld,%ld) to %d(%ld,%ld) (%d).\n",
+                                g_printerr("%s match `%s' from %" G_GSIZE_FORMAT "(%ld,%ld) to %" 
G_GSIZE_FORMAT "(%ld,%ld) (%" G_GSSIZE_FORMAT ").\n",
                                            r == PCRE2_ERROR_PARTIAL ? "Partial":"Full",
                                            match,
                                            rm_so,