[PATCH v2 01/25] mingw: avoid memory leak when splitting PATH

[Johannes Schindelin]

In the (admittedly, concocted) case that PATH consists only of colons, we
would leak the duplicated string.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 compat/mingw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compat/mingw.c b/compat/mingw.c
index 3fbfda5978b..fe0e3ccd248 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -961,8 +961,10 @@ static char **get_path_split(void)
                        ++n;
                }
        }
-       if (!n)
+       if (!n) {
+               free(envpath);
                return NULL;
+       }
 
        ALLOC_ARRAY(path, n + 1);
        p = envpath;
-- 
2.12.2.windows.2.800.gede8f145e06