[vte] Don't set variables to values that are never used

[Debarshi Ray <debarshir src gnome org>]

commit 61049af2ee9dfe8d5113eafd3597395f8fe27029
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue May 23 17:13:30 2017 +0200

    Don't set variables to values that are never used
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783001

 src/vterowdata.cc    |    2 +-
 src/vtestream-file.h |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/vterowdata.cc b/src/vterowdata.cc
index 8fc4863..42b22e1 100644
--- a/src/vterowdata.cc
+++ b/src/vterowdata.cc
@@ -144,7 +144,7 @@ void _vte_row_data_remove (VteRowData *row, gulong col)
 void _vte_row_data_fill (VteRowData *row, const VteCell *cell, gulong len)
 {
        if (row->len < len) {
-               gulong i = len - row->len;
+               gulong i;
 
                if (G_UNLIKELY (!_vte_row_data_ensure (row, len)))
                        return;
diff --git a/src/vtestream-file.h b/src/vtestream-file.h
index 697e02d..c8dc89b 100644
--- a/src/vtestream-file.h
+++ b/src/vtestream-file.h
@@ -931,8 +931,6 @@ _vte_boa_read (VteBoa *boa, gsize offset, char *data)
 static void
 _vte_boa_write (VteBoa *boa, gsize offset, const char *data)
 {
-        _vte_block_datalength_t compressed_len = boa->compressBound;
-
         /* The overwrite counter is 1-based.  This is to make sure that the IV is never 0: 738601#c88,
            to make sure that an empty block (e.g. after a previous write failure) is always invalid,
            and to make unit testing easier */
@@ -966,6 +964,8 @@ _vte_boa_write (VteBoa *boa, gsize offset, const char *data)
                 overwrite_counter++;
         }
 
+        _vte_block_datalength_t compressed_len;
+
         /* Compress, or copy if uncompressable */
         compressed_len = _vte_boa_compress (buf + VTE_BLOCK_DATALENGTH_SIZE + VTE_OVERWRITE_COUNTER_SIZE, 
boa->compressBound,
                                             data, VTE_BOA_BLOCKSIZE);