[janitor] server -Wwrite-strings cleanup

[Daniel Marmier <d.marmier@bluewin.ch>]

Fixed warnings with gcc option "-Wwrite-strings".

Index: server/unicode.c
===================================================================
RCS file: /home/wine/wine/server/unicode.c,v
retrieving revision 1.4
diff -u -r1.4 unicode.c
--- server/unicode.c	26 Apr 2002 19:05:18 -0000	1.4
+++ server/unicode.c	18 Oct 2003 20:45:10 -0000
@@ -27,7 +27,7 @@
 #include "unicode.h"
 
 /* dump a Unicode string with proper escaping */
-int dump_strW( const WCHAR *str, size_t len, FILE *f, char escape[2] )
+int dump_strW( const WCHAR *str, size_t len, FILE *f, const char escape[2] )
 {
     static const char escapes[32] = ".......abtnvfr.............e....";
     char buffer[256];
Index: server/unicode.h
===================================================================
RCS file: /home/wine/wine/server/unicode.h,v
retrieving revision 1.8
diff -u -r1.8 unicode.h
--- server/unicode.h	10 Mar 2002 00:18:36 -0000	1.8
+++ server/unicode.h	18 Oct 2003 20:45:10 -0000
@@ -33,6 +33,6 @@
     return memdup( str, len );
 }
 
-extern int dump_strW( const WCHAR *str, size_t len, FILE *f, char escape[2] );
+extern int dump_strW( const WCHAR *str, size_t len, FILE *f, const char escape[2] );
 
 #endif  /* __WINE_SERVER_UNICODE_H */