test-lib: allow exit trap to be used for cleanup by tests

diff --git a/diffcore-break.c b/diffcore-break.c
index 31cdcfe8bcdae7df65b0387071846299a14bb7be..d7097bb576cef8900e8e0218ba82e1cc7a87a567 100644 (file)
--- a/diffcore-break.c
+++ b/diffcore-break.c
@@ -45,7 +45,7 @@ static int should_break(struct diff_filespec *src,
         * The value we return is 1 if we want the pair to be broken,
         * or 0 if we do not.
         */
-       unsigned long delta_size, base_size, max_size;
+       unsigned long delta_size, max_size;
        unsigned long src_copied, literal_added, src_removed;
 
        *merge_score_p = 0; /* assume no deletion --- "do not break"
@@ -64,7 +64,6 @@ static int should_break(struct diff_filespec *src,
        if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0))
                return 0; /* error but caught downstream */
 
-       base_size = ((src->size < dst->size) ? src->size : dst->size);
        max_size = ((src->size > dst->size) ? src->size : dst->size);
        if (max_size < MINIMUM_BREAK_SIZE)
                return 0; /* we do not break too small filepair */