[libmicrohttpd] 99/156: configure: fixed compiler warnings

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karlson2k pushed a commit to tag v0.9.77
in repository libmicrohttpd.

commit 97266a36c6fb4a3f81bd1c6eed396ed61dd22a31
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Tue May 16 11:40:41 2023 +0300

    configure: fixed compiler warnings
---
 configure.ac | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index ce7f30d7..50209800 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2263,9 +2263,11 @@ MHD_CHECK_FUNC([magic_open],
     char var_data[256];
     const char *var_mime;
     magic_t var_magic = magic_open (MAGIC_MIME_TYPE);
-    (void)magic_load (var_magic, NULL);
+    (void)magic_load (var_magic, "filename");
     var_data[0] = 0;
     var_mime = magic_buffer (var_magic, var_data, 1);
+    i][f (! var_mime)
+      return 1;
     magic_close (var_magic);
   ]],
   [AC_DEFINE([MHD_HAVE_LIBMAGIC], [1], [Define to 1 if you have suitable 
libmagic.])],
@@ -3133,6 +3135,12 @@ AC_LINK_IFELSE(
      [
       AC_LANG_PROGRAM(
         [[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 #include <sys/wait.h>
         ]], [[
      pid_t p = fork ();

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