diff --git a/alpine.changes b/alpine.changes
index ab53cf5..2c5f375 100644
--- a/alpine.changes
+++ b/alpine.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct  9 10:39:50 CEST 2008 - meissner@suse.de
+
+- added unistd.h for prototypes
+
 -------------------------------------------------------------------
 Mon Sep 29 17:23:42 CEST 2008 - max@suse.de
 
diff --git a/alpine.spec b/alpine.spec
index f8187fe..d1997ce 100644
--- a/alpine.spec
+++ b/alpine.spec
@@ -50,7 +50,7 @@ Conflicts:      pine4
 %endif
 #
 Version:        2.00
-Release:        1
+Release:        2
 License:        The Apache Software License
 Group:          Productivity/Networking/Email/Clients
 AutoReqProv:    on
@@ -62,6 +62,7 @@ Source2:        %name.desktop
 Patch1:         pine-nonvoid-function.patch
 Patch2:         make-use-of-strncat-safer.diff
 Patch3:         operation-may-be-undefined-warning.diff
+Patch4:         fix-implicit.patch
 Patch10:        pico-fix-spurious-undef-warnings.diff
 Patch20:        pine-expression-warnings.diff
 Patch40:        pico-stripwhitespace.diff
@@ -155,6 +156,7 @@ fi
 %patch1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p0
 %patch10 -p1
 %patch20 -p1
 %patch40 -p1
@@ -344,6 +346,8 @@ rm -rf %buildroot
 %endif
 
 %changelog
+* Thu Oct 09 2008 meissner@suse.de
+- added unistd.h for prototypes
 * Mon Sep 29 2008 max@suse.de
 - Update to version 2.00 and the related Chappa patches.
 - Changes include:
diff --git a/fix-implicit.patch b/fix-implicit.patch
new file mode 100644
index 0000000..7f8d459
--- /dev/null
+++ b/fix-implicit.patch
@@ -0,0 +1,10 @@
+--- imap/src/mlock/mlock.c
++++ imap/src/mlock/mlock.c
+@@ -28,6 +28,7 @@
+ 
+ #include <errno.h>
+ #include <fcntl.h>
++#include <unistd.h>
+ #include <stdio.h>
+ #include <sysexits.h>
+ #include <syslog.h>