set_git_dir: die when setenv() fails

diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
index bf99787c3e4c791426311495dda9d4da81cbb571..73210cb6f3fb5d1cb90b1c5959a5a90e058ea1f2 100644 (file)
--- a/xdiff/xhistogram.c
+++ b/xdiff/xhistogram.c
@@ -55,7 +55,7 @@ struct histindex {
        struct record {
                unsigned int ptr, cnt;
                struct record *next;
-       } **records, /* an ocurrence */
+       } **records, /* an occurrence */
          **line_map; /* map of line to record chain */
        chastore_t rcha;
        unsigned int *next_ptrs;