Joerg's fix for the material's memory leak

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1656 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/material.cpp

@@ -19,6 +19,7 @@
 
 #include "file_manager.hpp"
 #include "material.hpp"
+#include "string_utils.hpp"
 
 #define UCLAMP   1
 #define VCLAMP   2
@@ -194,5 +195,8 @@ void Material::install(bool is_full_path)
         m_state -> setOpaque () ;
         m_state -> disable   ( GL_BLEND ) ;
     }
+
+    // now set the name to the basename, so that all tests work as expected
+    m_texname  = StringUtils::basename(m_texname);
 }