git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/environment.c b/environment.c
index 3527f1663f3f948085ab56a81609ed9764b4e6e9..6739a3f41745fe1c01dc767e09af8746d6f2815f 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -37,6 +37,7 @@ const char *excludes_file;
 int auto_crlf = 0;     /* 1: both ways, -1: only when adding git objects */
 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
+enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
 
 /* This is set by setup_git_dir_gently() and/or git_default_config() */
 char *git_work_tree_cfg;