[lasem] mathml: avoid const warning.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 7d9e942c00ca8140188b14fd6934ccf00e2afd74
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Sun Jan 6 18:53:47 2013 +0100

    mathml: avoid const warning.

 src/lsmmathmlattributes.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/lsmmathmlattributes.c b/src/lsmmathmlattributes.c
index bebcfe1..f9b698b 100644
--- a/src/lsmmathmlattributes.c
+++ b/src/lsmmathmlattributes.c
@@ -184,7 +184,7 @@ lsm_mathml_space_list_attribute_normalize (LsmMathmlSpaceListAttribute *attribut
 		return;
 	}
 
-	space_attribute.base.value = "";
+	space_attribute.base.value = (char *) "";
 
 	attribute->values = g_new (double, space_list->n_spaces);
 	attribute->n_values = space_list->n_spaces;