logging indicates incorrect port during build failure

[nerdling (Jeremy Lavergne)]

When installing dependencies, port indicates that the log file is for the previous port installed in the hierarchy.

That is, when building qt4-mac, it reports the log file for sqlite3.

--->  Installing sqlite3 @3.6.21_0
--->  Activating sqlite3 @3.6.21_0
--->  Fetching qt4-mac
--->  Attempting to fetch qt-mac-opensource-src-4.5.3.tar.gz from http://distfiles.macports.org/qt4-mac
--->  Verifying checksum(s) for qt4-mac
--->  Extracting qt4-mac
--->  Applying patches to qt4-mac
--->  Configuring qt4-mac
--->  Building qt4-mac
Error: Target org.macports.build returned: shell command failed
Log for qt4-mac is at: /opt/local/var/macports/logs/sqlite3/main.log
Error: Status 1 encountered during processing.

[jmroot (Joshua Root)]

r61699