Fix stupid off by one error

diff --git a/lib/transaction.c b/lib/transaction.c
index e0ba1f6..d913258 100644 (file)
--- a/lib/transaction.c
+++ b/lib/transaction.c
@@ -134,7 +134,7 @@ static rpmDiskSpaceInfo rpmtsCreateDSI(const rpmts ts, dev_t dev,
     resolved_path = realpath(dirName, mntPoint);
     if (!resolved_path) {
        strncpy(mntPoint, dirName, PATH_MAX);
-       mntPoint[PATH_MAX] = '\0';
+       mntPoint[PATH_MAX-1] = '\0';
     }
     char * end = NULL;
     while (end != mntPoint) {