Update pcp-webjs var to account for rpmlint Source field changes
Update pcp-webjs var to account for rpmlint Source field changes

the rpmlint based changes in the spec file changed how the Source:
fields are listed, and thus, how we named directories later on with
the variable name.  Changing the initial regex to simply take the
original tarball name

adfernandes/pcp,aeg-aeg/pcpfans,prasincs/pcp,andyvand/cygpcpfans,adfernandes/pcp,edwardt/pcp,edwardt/pcp,aeg-aeg/pcpfans,prasincs/pcp,wuliming/pcp,wuliming/pcp,tjanez/pcp,andyvand/cygpcpfans,prasincs/pcp,prasincs/pcp,wuliming/pcp,andyvand/cygpcpfans,prasincs/pcp,tjanez/pcp,adfernandes/pcp,aeg-aeg/pcpfans,prasincs/pcp,wuliming/pcp,edwardt/pcp,aeg-aeg/pcpfans,edwardt/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,adfernandes/pcp,edwardt/pcp,tjanez/pcp,tjanez/pcp,andyvand/cygpcpfans,tjanez/pcp,andyvand/cygpcpfans,tjanez/pcp,prasincs/pcp,edwardt/pcp,andyvand/cygpcpfans,adfernandes/pcp,wuliming/pcp,aeg-aeg/pcpfans,wuliming/pcp,edwardt/pcp,aeg-aeg/pcpfans,adfernandes/pcp,prasincs/pcp,edwardt/pcp,wuliming/pcp,tjanez/pcp,wuliming/pcp,aeg-aeg/pcpfans,adfernandes/pcp,tjanez/pcp,adfernandes/pcp,andyvand/cygpcpfans