fix skpdiff viewer bug when using relative paths

tools/skpdiff/skpdiff_util.h

Index: tools/skpdiff/skpdiff_util.h
diff --git a/tools/skpdiff/skpdiff_util.h b/tools/skpdiff/skpdiff_util.h
index 9df1bc0b2a157f982dc49112d73fccee11a54f04..3c16a47873838603dae0605a8d19f40941c968ba 100644
--- a/tools/skpdiff/skpdiff_util.h
+++ b/tools/skpdiff/skpdiff_util.h
@@ -49,5 +49,13 @@ bool get_directory(const char path[], SkTArray<SkString>* entries);
  */
 bool glob_files(const char globPattern[], SkTArray<SkString>* entries);
 
+/**
+ * Gets the absolute version of the given path.
+ * @param  path The absoluate or relative path to expand
+ * @return      A malloc'd string that contains the absolute path or NULL on failure. You must free
+ *              it with free, unless it is NULL.
+ */
+char* get_absolute_path(const char path[]);

[djsollen, 2013/08/01 18:44:03]

SkString ...(const SkString& path);

That way you don't have to worry about freeing the memory explicitly.

+
 
 #endif