Merge from gnulib.

This incorporates:
2012-08-05 extern-inline: also ignore -Wmissing-declarations

ChangeLog

+2012-08-14  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Merge from gnulib, incorporating:
+	2012-08-05 extern-inline: also ignore -Wmissing-declarations
+
 2012-08-10  Juanma Barranquero  <lekktu@gmail.com>
 
 	* lib/makefile.w32-in (STAT_TIME_H): New macro.

doc/misc/texinfo.tex

@@ -3146,12 +3146,17 @@
   % hopefully nobody will notice/care.
   \edef\ecsize{\csname\curfontsize ecsize\endcsname}%
   \edef\nominalsize{\csname\curfontsize nominalsize\endcsname}%
-  \ifx\curfontstyle\bfstylename
-    % bold:
-    \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize
+  \ifmonospace
+    % typewriter:
+    \font\thisecfont = ectt\ecsize \space at \nominalsize
   \else
-    % regular:
-    \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize
+    \ifx\curfontstyle\bfstylename
+      % bold:
+      \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize
+    \else
+      % regular:
+      \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize
+    \fi
   \fi
   \thisecfont
 }

m4/extern-inline.m4

@@ -24,7 +24,8 @@ AC_DEFUN([gl_EXTERN_INLINE],
 # if (__GNUC__ == 4 && 6 <= __GNUC_MINOR__) || 4 < __GNUC__
 #  define _GL_INLINE_HEADER_BEGIN \
      _Pragma ("GCC diagnostic push") \
-     _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"")
+     _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \
+     _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"")
 #  define _GL_INLINE_HEADER_END \
      _Pragma ("GCC diagnostic pop")
 # endif