Log Message:
-----------
Clearify which version numbers are bumped for major and minor releases.
Modified Files:
--------------
pgsql/src/tools:
RELEASE_CHANGES (r1.49 -> r1.50)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/RELEASE_CHANGES.diff?r1=1.49&r2=1.50)