cygwin: Export clog10, clog10f

winsup/cygwin/
	* common.din: Add clog10, clog10f.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

	winsup/doc/
	* new-features.xml (ov-new2.5): Mention clog10, clog10f.
	* posix.xml (std-gnu): Add clog10, clog10f.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>

winsup/cygwin/common.din

@@ -232,6 +232,8 @@ clock_nanosleep SIGFE
 clock_setres SIGFE
 clock_settime SIGFE
 clog NOSIGFE
+clog10 NOSIGFE
+clog10f NOSIGFE
 clogf NOSIGFE
 close SIGFE
 closedir SIGFE

winsup/cygwin/include/cygwin/version.h

@@ -475,13 +475,14 @@ details. */
       291: Export aligned_alloc, at_quick_exit, quick_exit.
       292: Export rpmatch.
       293: Convert utmpname/utmpxname to int.
+      294: Export clog10, clog10f.
      */
 
      /* Note that we forgot to bump the api for ualarm, strtoll, strtoull,
 	sigaltstack, sethostname. */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 293
+#define CYGWIN_VERSION_API_MINOR 294
 
      /* There is also a compatibity version number associated with the
 	shared memory regions.  It is incremented when incompatible

winsup/doc/new-features.xml

@@ -24,6 +24,10 @@ SYSTEM like a trivial ACL.
 Bump POSIX option macros to POSIX.1-2008.
 </para></listitem>
 
+<listitem><para>
+New APIs: clog10, clog10f.
+</para></listitem>
+
 </itemizedlist>
 
 </sect2>

winsup/doc/posix.xml

@@ -1151,6 +1151,8 @@ also IEEE Std 1003.1-2008 (POSIX.1-2008).</para>
     asprintf_r
     basename			(see chapter "Implementation Notes")
     canonicalize_file_name
+    clog10
+    clog10f
     dremf
     dup3
     envz_add