Build 0.28 fails on Fedora 17

[BJ Dierkes]

Configuration summary for gearmand version 0.28
   * Installation prefix: /usr
   * System type: unknown-linux-gnu
   * Host CPU: x86_64
   * C Compiler: gcc (GCC) 4.7.0 20120208 (Red Hat 4.7.0-0.12)
   * Assertions enabled: yes
   * Debug enabled: no
   * Warnings as failure:
   * Building with libsqlite3 no
   * Building with libdrizzle no
   * Building with libmemcached yes
   * Building with libpq no
   * Building with tokyocabinet no
---
+ sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
+ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
+ make
make all-am
....
g++ -DHAVE_CONFIG_H -I. -I. -g -pipe -O2 -pedantic -Wall -Wundef -Wshadow -fdiagnostics-show-option -floop-parallelize-all -Wstrict-aliasing -Wswitch-enum -Wextra -Wformat -Wno-format-nonliteral -Wno-format-security -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wno-long-long -Wmissing-declarations -Wframe-larger-than=32768 -Wredundant-decls -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -c -o util/pidfile.o util/pidfile.cc
util/pidfile.cc: In function 'void remove_pidfile()':
util/pidfile.cc:60:26: error: 'unlink' was not declared in this scope
util/pidfile.cc: In destructor 'datadifferential::util::Pidfile::~Pidfile()':
util/pidfile.cc:85:36: error: 'access' was not declared in this scope
util/pidfile.cc:91:38: error: 'unlink' was not declared in this scope
util/pidfile.cc: In member function 'bool datadifferential::util::Pidfile::create()':
util/pidfile.cc:108:34: error: 'access' was not declared in this scope
util/pidfile.cc:110:33: error: 'unlink' was not declared in this scope
util/pidfile.cc:131:57: error: 'getpid' was not declared in this scope
util/pidfile.cc:133:33: error: 'write' was not declared in this scope
util/pidfile.cc:138:15: error: 'close' was not declared in this scope
util/pidfile.cc:143:17: error: 'close' was not declared in this scope
make[1]: *** [util/pidfile.o] Error 1

[BJ Dierkes (derks)]

The following patch resolves these issues:

Resolves https://bugs.launchpad.net/gearmand/+bug/932994
--- gearmand-0.28/util/pidfile.cc.orig 2011-08-17 10:38:30.000000000 -0500
+++ gearmand-0.28/util/pidfile.cc 2012-03-07 11:28:22.626664434 -0600
@@ -48,6 +48,7 @@
 #include <sstream>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>

 extern "C" {

--- gearmand-0.28/util/logfile.cc.orig 2011-08-17 10:38:30.000000000 -0500
+++ gearmand-0.28/util/logfile.cc 2012-03-07 11:48:21.600108725 -0600
@@ -49,6 +49,7 @@
 #include <sstream>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>

 namespace datadifferential {
 namespace util {