[dia] [warningectomy] one more cast to xmlChar*

[Hans Breuer <hans src gnome org>]

commit ee21b1b283dac59649689f56baaab121b5180bab
Author: Hans Breuer <hans breuer org>
Date:   Sun Nov 16 12:34:24 2014 +0100

    [warningectomy] one more cast to xmlChar*
    
    render_svg.c:614:62: warning: passing 'char [6]' to parameter of type 'const xmlChar *' (aka 'const 
unsigned char *') converts between pointers to integer types with different sign [-Wpointer-sign]
        g_return_if_fail (node != NULL && xmlStrcmp (node->name, "image") == 0);
                                                                 ^~~~~~~

 plug-ins/svg/render_svg.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/svg/render_svg.c b/plug-ins/svg/render_svg.c
index 519f760..1af057a 100644
--- a/plug-ins/svg/render_svg.c
+++ b/plug-ins/svg/render_svg.c
@@ -611,7 +611,7 @@ draw_rotated_image (DiaRenderer *self,
     gchar *trans;
     Point pos = { point->x + width/2, point->y + height/2 }; /* center */
 
-    g_return_if_fail (node != NULL && xmlStrcmp (node->name, "image") == 0);
+    g_return_if_fail (node != NULL && xmlStrcmp (node->name, (const xmlChar *)"image") == 0);
 
     g_ascii_formatd (d_buf, sizeof(d_buf), "%g", angle);
     dia_svg_dtostr(x_buf0, pos.x);