Fixed that 'make distcheck' works with automake 1.11.11

Fixed compiler warnings found by buildbot

Makefile.am:
  Removed extra empty line
cmd-line-utils/libedit/sys.h:
  Fixed that strndup() doesn't give compiler warnings
mysql-test/Makefile.am:
  Fixes for 'make distcheck'
plugin/auth_pam/auth_pam.c:
  Ensure that prototype for strndup() is included on linux
sql/share/Makefile.am:
  Fixes for 'make distcheck'
storage/innodb_plugin/btr/btr0sea.c:
  Fixed compiler warning
support-files/Makefile.am:
  Fixes for 'make distcheck'

Makefile.am

@@ -278,7 +278,6 @@ API_PREPROCESSOR_HEADER = $(top_srcdir)/include/mysql.h \
 TEST_PREPROCESSOR_HEADER = $(API_PREPROCESSOR_HEADER) \
                            $(top_srcdir)/sql/mysql_priv.h
 
-
 #
 # Rules for checking that the abi/api has not changed.
 #

cmd-line-utils/libedit/sys.h

@@ -40,6 +40,17 @@
 #ifndef _h_sys
 #define	_h_sys
 
+#ifdef __linux__
+/* Apparently we need _GNU_SOURCE defined to get access to wcsdup on Linux */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#endif
+
+#ifndef __USE_XOPEN
+#define __USE_XOPEN
+#endif
+
 #ifdef HAVE_SYS_CDEFS_H
 #include <sys/cdefs.h>
 #endif
@@ -92,17 +103,6 @@ size_t	strlcpy(char *dst, const char *src, size_t size);
 char	*fgetln(FILE *fp, size_t *len);
 #endif
 
-#ifdef __linux__
-/* Apparently we need _GNU_SOURCE defined to get access to wcsdup on Linux */
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-#endif
-
-#ifndef __USE_XOPEN
-#define __USE_XOPEN
-#endif
-
 #include <wchar.h>
 #include <wctype.h>
 

mysql-test/Makefile.am

@@ -144,6 +144,8 @@ install-data-local:
 uninstall-local:
 	@RM@ -f -r $(DESTDIR)$(testdir)
 
+uninstall-am: uninstall-local
+
 # mtr - a shortcut for executing mysql-test-run.pl
 mtr:
 	$(RM) -f mtr

plugin/auth_pam/auth_pam.c

+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE                             /* For strndup() */
+#endif
+
 #include <mysql/plugin_auth.h>
 #include <string.h>
 #include <my_config.h>

sql/share/Makefile.am

@@ -49,6 +49,7 @@ install-data-local:
 	$(INSTALL_DATA) $(srcdir)/charsets/*.xml $(DESTDIR)$(pkgdatadir)/charsets
 
 # FIXME maybe shouldn't remove, could be needed by other installation?
+# Note that this removes the directory that support-files are using!
 uninstall-local:
 	@RM@ -f -r $(DESTDIR)$(pkgdatadir)
 

storage/innodb_plugin/btr/btr0sea.c

@@ -827,7 +827,7 @@ btr_search_guess_on_hash(
 	mtr_t*		mtr)		/*!< in: mtr */
 {
 	buf_block_t*	block;
-	const rec_t*	rec;
+	rec_t*		rec;
 	ulint		fold;
 	dulint		index_id;
 #ifdef notdefined
@@ -913,7 +913,7 @@ btr_search_guess_on_hash(
 
 	ut_ad(page_rec_is_user_rec(rec));
 
-	btr_cur_position(index, (rec_t*) rec, block, cursor);
+	btr_cur_position(index, rec, block, cursor);
 
 	/* Check the validity of the guess within the page */
 

support-files/Makefile.am

@@ -85,6 +85,9 @@ mysql-@VERSION@.spec:	mysql.spec
 			rm -f $@
 			cp mysql.spec $@
 
+# We don't need to uninstall as sql/share/Makefile.am is doing that for us
+uninstall-am:
+
 SUFFIXES = .sh
 
 .sh: