Replace unsetenv() and setenv() with older putenv().

diff --git a/INSTALL b/INSTALL
index 101485d403a671800e05b7748fc115d98ebf5433..43f2bb9224db6b85dc9232f9cc7bf327c7b969aa 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -41,8 +41,10 @@ Issues of note:
          can avoid the bignum support by excising git-rev-list support
          for "--merge-order" (by hand).
 
-       - "libcurl".  git-http-pull uses this.  You can disable building of
-         that program if you just want to get started. 
+       - "libcurl" and "curl" executable.  git-http-pull and
+         git-fetch-script use them.  If you do not use http
+         transfer, you are probabaly OK if you do not have
+         them.
 
        - "GNU diff" to generate patches.  Of course, you don't _have_ to
          generate patches if you don't want to, but let's face it, you'll