* tests/test-strstr.c (includes): Add <signal.h>.
* tests/test-strcasestr.c (includes): Likewise.
* tests/test-memmem.c (includes): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
+2008-06-10  Eric Blake  <ebb9@byu.net>
+
+       Add missing include.
+       * tests/test-strstr.c (includes): Add <signal.h>.
+       * tests/test-strcasestr.c (includes): Likewise.
+       * tests/test-memmem.c (includes): Likewise.
+
 2008-06-10  Bruno Haible  <bruno@clisp.org>
 
        * lib/wait-process.c (wait_subprocess): Add an assertion.
 
 
 #include <string.h>
 
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 
 #include <string.h>
 
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #if HAVE_DECL_ALARM
   /* Declare failure if test takes too long, by using default abort
      caused by SIGALRM.  All known platforms that lack alarm also lack
-     memmem, and the replacement memmem is known to not take too
+     strcasestr, and the replacement memmem is known to not take too
      long.  */
   signal (SIGALRM, SIG_DFL);
   alarm (50);
 
 
 #include <string.h>
 
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>