Fix usage of hmm fields.

Thanks to Halle Winkler for the report.



git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/pocketsphinx@12721 94700074-3cef-4d97-a70e-9c8c206c02f5
Initialize variable to avoid warnings



git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/pocketsphinx@12722 94700074-3cef-4d97-a70e-9c8c206c02f5
fixing insertion penalty initialization for allphone search

git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/pocketsphinx@12727 94700074-3cef-4d97-a70e-9c8c206c02f5