pkg/49980: fix uninitialized value errr pkgtools/url2pkg-2.22

[ishit%oak.dti.ne.jp@localhost]

>Number:         49980
>Category:       pkg
>Synopsis:       fix uninitialized value errr pkgtools/url2pkg-2.22
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 16 16:45:00 +0000 2015
>Originator:     ISIHARA Takanori
>Release:        pkgsrc-current 2015/6/16
>Organization:
Nagoya *BSD Users' Group :-)
>Environment:
NetBSD ishitPc14.home 7.0_BETA NetBSD 7.0_BETA (ISHITPC14) #9: Sun Jun  7 11:04:51 JST 2015  sysbuild%ishitPc14.home@localhost:/opt/sysbuild/netbsd-7/obj/amd64/sys/arch/amd64/compile/ISHITPC14 amd64

>Description:
I fixed uninitialized value error.

>How-To-Repeat:
run url2pkg.
 
for example:
% url2pkg http://jnovy.fedorapeople.org/pxz/pxz-4.999.9beta.20091201git.tar.xz 2>aaaa
<snip>
% head -3 aaaa
Use of uninitialized value $gh_project in string ne at /usr/pkg/bin/url2pkg line 365, <SITES> line 331.
Use of uninitialized value $gh_release in string ne at /usr/pkg/bin/url2pkg line 365, <SITES> line 331.
Use of uninitialized value $dist_subdir in string ne at /usr/pkg/bin/url2pkg line 365, <SITES> line 331.

>Fix:
apply patch, please.

Index: url2pkg.pl
===================================================================
RCS file: /cvsroot/pkgsrc/pkgtools/url2pkg/files/url2pkg.pl,v
retrieving revision 1.28
diff -u -u -r1.28 url2pkg.pl
--- url2pkg.pl	7 Apr 2015 00:10:33 -0000	1.28
+++ url2pkg.pl	16 Jun 2015 16:19:48 -0000
@@ -333,6 +333,8 @@
 			} else {
 				die("$0: ERROR: Invalid GitHub URL: ${url}\n");
 			}
+		} else {
+			$gh_project = ""; $gh_release = ""; $dist_subdir = "";
 		}
 	}