msysGit issue 258 tracks a problem opening a browser onto file
paths that contain spaces or parentheses when calling the
web--browse script. This patch modifies how the start command is
called to solve this.
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net> Signed-off-by: Steffen Prohaska <prohaska@zib.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>