more cleanups based on sparse reports, added "make sparse" Daniel

* Makefile.am globals.c parserInternals.c xmlreader.c xmlunicode.c
  xmlwriter.c: more cleanups based on sparse reports, added
  "make sparse"
Daniel
diff --git a/xmlunicode.c b/xmlunicode.c
index af91f47..454963f 100644
--- a/xmlunicode.c
+++ b/xmlunicode.c
@@ -926,8 +926,8 @@
     {0x205f, 0x205f}, {0x3000, 0x3000} };
 static xmlChRangeGroup xmlZG = {9,0,xmlZS,NULL};
 
-xmlUnicodeNameTable xmlUnicodeBlockTbl = {xmlUnicodeBlocks, 128};
-xmlUnicodeNameTable xmlUnicodeCatTbl = {xmlUnicodeCats, 36};
+static xmlUnicodeNameTable xmlUnicodeBlockTbl = {xmlUnicodeBlocks, 128};
+static xmlUnicodeNameTable xmlUnicodeCatTbl = {xmlUnicodeCats, 36};
 
 /**
  * xmlUnicodeLookup: