[libxml2] Add const in five places to move 1 KiB to .rdata

[Daniel Veillard <veillard src gnome org>]

commit 8f57103793e1e1b1be478f1feb607d19d725d048
Author: Bruce Dawson <brucedawson chromium org>
Date:   Mon Aug 28 21:27:03 2017 +0200

    Add const in five places to move 1 KiB to .rdata
    
    xmlUnicodeBlocks is logically const but was not marked as such. This
    fixes that, thus moving it to the read-only data segment.

 genUnicode.py |    4 ++--
 xmlunicode.c  |    6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/genUnicode.py b/genUnicode.py
index 56e4e9b..4487eeb 100755
--- a/genUnicode.py
+++ b/genUnicode.py
@@ -267,14 +267,14 @@ typedef struct {
 } xmlUnicodeRange;
 
 typedef struct {
-    xmlUnicodeRange *table;
+    const xmlUnicodeRange *table;
     int                    numentries;
 } xmlUnicodeNameTable;
 
 
 static xmlIntFunc *xmlUnicodeLookup(xmlUnicodeNameTable *tptr, const char *tname);
 
-static xmlUnicodeRange xmlUnicodeBlocks[] = {
+static const xmlUnicodeRange xmlUnicodeBlocks[] = {
 """ % (webpage, date, sources));
 
 flag = 0
diff --git a/xmlunicode.c b/xmlunicode.c
index ce6e9a4..6d0a96a 100644
--- a/xmlunicode.c
+++ b/xmlunicode.c
@@ -29,14 +29,14 @@ typedef struct {
 } xmlUnicodeRange;
 
 typedef struct {
-    xmlUnicodeRange *table;
+    const xmlUnicodeRange *table;
     int                    numentries;
 } xmlUnicodeNameTable;
 
 
 static xmlIntFunc *xmlUnicodeLookup(xmlUnicodeNameTable *tptr, const char *tname);
 
-static xmlUnicodeRange xmlUnicodeBlocks[] = {
+static const xmlUnicodeRange xmlUnicodeBlocks[] = {
   {"AegeanNumbers", xmlUCSIsAegeanNumbers},
   {"AlphabeticPresentationForms", xmlUCSIsAlphabeticPresentationForms},
   {"Arabic", xmlUCSIsArabic},
@@ -945,7 +945,7 @@ static xmlUnicodeNameTable xmlUnicodeCatTbl = {xmlUnicodeCats, 36};
 static xmlIntFunc
 *xmlUnicodeLookup(xmlUnicodeNameTable *tptr, const char *tname) {
     int low, high, mid, cmp;
-    xmlUnicodeRange *sptr;
+    const xmlUnicodeRange *sptr;
 
     if ((tptr == NULL) || (tname == NULL)) return(NULL);