Changed a line in the PhDThesisPSnPDF class file so that it doesn't throw a warning message when compiling.

Classes/PhDThesisPSnPDF.cls

@@ -14,7 +14,7 @@
 \newcommand\fileversion{2.1}
 \newcommand\filedate{2015/12/21}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{PhDThesisPSnPDF}[\filedate\space A PhD thesis class file
+\ProvidesClass{Classes/PhDThesisPSnPDF}[\filedate\space A PhD thesis class file
  by Krishna Kumar (v\fileversion)]
 \typeout{https://github.com/kks32/phd-thesis-template/}