Fix typedef handling bug in mxmldoc.

Don't use valgrind in dotest.sh...

doc/reference.html

@@ -1151,7 +1151,7 @@ mxmlWalkPrev(
 <h3><a name='mxml_attr_s'>mxml_attr_s</a></h3>
 <hr noshade/>
 <h4>Description</h4>
-<p>Data types...</p>
+<p>An XML element attribute value.</p>
 <h4>Definition</h4>
 <pre>
 struct mxml_attr_s
@@ -1298,7 +1298,7 @@ struct mxml_value_s
 <h3><a name='mxml_attr_t'>mxml_attr_t</a></h3>
 <hr noshade/>
 <h4>Description</h4>
-<p>Data types...</p>
+<p>An XML element attribute value.</p>
 <h4>Definition</h4>
 <pre>
 typedef struct <a href='#mxml_attr_s'>mxml_attr_s</a> mxml_attr_t;

mxml.xml

@@ -811,7 +811,7 @@ the walk to the node's children.</description>
     </argument>
   </function>
   <struct name="mxml_attr_s">
-    <description>Data types...</description>
+    <description>An XML element attribute value.</description>
     <variable name="name">
       <type>char *</type>
       <description>Attribute name</description>
@@ -823,7 +823,7 @@ the walk to the node's children.</description>
   </struct>
   <typedef name="mxml_attr_t">
     <type>struct mxml_attr_s</type>
-    <description>Data types...</description>
+    <description>An XML element attribute value.</description>
   </typedef>
   <struct name="mxml_custom_s">
     <description>An XML custom value.</description>

mxmldoc.c

@@ -891,6 +891,8 @@ scan_file(const char  *filename,	/* I - Filename */
 		  mxmlDelete(type);
 		  type = NULL;
 		}
+
+		typedefnode = NULL;
 		break;
 
 	    case ':' :

test/dotest.sh

@@ -7,6 +7,7 @@ else
 fi
 
 rm -f test.xml
-valgrind --logfile-fd=3 --leak-check=yes ../mxmldoc test.xml \
-	$files >test.html 2>test.log 3>test.valgrind
+../mxmldoc test.xml $files >test.html 2>test.log
+#valgrind --logfile-fd=3 --leak-check=yes ../mxmldoc test.xml \
+#	$files >test.html 2>test.log 3>test.valgrind