Portability fixes for QNX32. This may also apply to QNX, but I cannot

verify that. /bin/sh is pathetic on this platform so configuration
still requires a replacement shell.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82592 13f79535-47bb-0310-9956-ffa450edef68