compiler warning fixes for cygwin

[Eric Blake]

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Compiling with -Wall -Werror often turns up some interesting bugs.  The
whitespace in this file is also a bit screwy, according to emacs
whitespace mode.

libltdl/loaders/loadlibrary.c: In function `vm_open':
libltdl/loaders/loadlibrary.c:138: warning: implicit declaration of
function `cygwin_conv_to_full_win32_path'
libltdl/loaders/loadlibrary.c:161: warning: suggest parentheses around
assignment used as truth value
libltdl/loaders/loadlibrary.c:95: warning: unused variable `errormsg'
make[2]: *** [libltdl/loaders/loadlibrary.lo] Error 1


2005-09-22  Eric Blake  <address@hidden>  (tiny change)

        * libltdl/loaders/loadlibrary.c (vm_open): Silence gcc warnings.
        [__CYGWIN__]: Include <sys/cygwin.h> for prototype.

- --
Life is short - so eat dessert first!

Eric Blake             address@hidden
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Index: libltdl/loaders/loadlibrary.c
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/loaders/loadlibrary.c,v
retrieving revision 1.8
diff -u -p -b -r1.8 loadlibrary.c
--- libltdl/loaders/loadlibrary.c       28 Jul 2005 10:15:57 -0000      1.8
+++ libltdl/loaders/loadlibrary.c       23 Sep 2005 01:57:52 -0000
@@ -1,5 +1,5 @@
 /* loader-loadlibrary.c --  dynamic linking for Win32
-   Copyright (C) 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2004, 2005 Free Software Foundation, Inc.
    Originally by Thomas Tanner <address@hidden>
 
    NOTE: The canonical source of this file is maintained with the
@@ -30,6 +30,10 @@ Foundation, Inc., 51 Franklin Street, Fi
 #include "lt__private.h"
 #include "lt_dlloader.h"
 
+#if defined(__CYGWIN__)
+# include <sys/cygwin.h>
+#endif
+
 /* Use the preprocessor to rename non-static symbols to avoid namespace
    collisions when the loader code is statically linked into libltdl.
    Use the "<module_name>_LTX_" prefix so that the symbol addresses can
@@ -92,7 +96,6 @@ static lt_module
 vm_open (lt_user_data loader_data, const char *filename)
 {
   lt_module    module     = 0;
-  const char   *errormsg   = 0;
   char        *searchname = 0;
   char        *ext;
   char         self_name_buf[MAX_PATH];
@@ -158,7 +161,7 @@ vm_open (lt_user_data loader_data, const
   {
     lt__handle *        cur        = 0;
 
-    while (cur = (lt__handle *) lt_dlhandle_next ((lt_dlhandle) cur))
+    while ((cur = (lt__handle *) lt_dlhandle_next ((lt_dlhandle) cur)))
       {
         if (!cur->module)
           {