configure: use the nghttp2 path correctly with pkg-config
authorDaniel Stenberg <daniel@haxx.se>
Mon, 21 Apr 2014 22:24:44 +0000 (00:24 +0200)
committerDaniel Stenberg <daniel@haxx.se>
Mon, 21 Apr 2014 22:24:44 +0000 (00:24 +0200)
commita5d7ec184826fb39f61e90f48b29b5783bca66a8
treef76b3509b12f8a83f8a9f592175df82a05440f7a
parent11ce2f218289b785501948ec7bfc1674dce59760
configure: use the nghttp2 path correctly with pkg-config

When --with-nghttp2 was used (without a given path), the
PKG_CONFIG_LIBDIR varialbe could get clobbered and ruin a proper
detection of the library.

Reported-by: Dilyan Palauzov
Bug: http://curl.haxx.se/mail/lib-2014-04/0159.html
configure.ac