build: avoid warning exposed by gcc-4.4.1

* src/fid.c (help_me): Declare with noreturn attribute.
* src/fnid.c (help_me): Likewise.
* src/lid.c (help_me): Likewise.
* src/mkid.c (help_me): Likewise.
* src/xtokid.c (help_me): Likewise.

5 files changed, 5 insertions, 7 deletions

diff --git a/src/fid.c b/src/fid.c
index ac56373..24d1833 100644
--- a/src/fid.c
+++ b/src/fid.c
@@ -74,7 +74,7 @@ usage (void)
   exit (1);
 }
 
-static void
+static void __attribute__((__noreturn__))
 help_me (void)
 {
   printf (_("\
diff --git a/src/fnid.c b/src/fnid.c
index b9c44ef..95253cd 100644
--- a/src/fnid.c
+++ b/src/fnid.c
@@ -62,7 +62,7 @@ static struct option const long_options[] =
   {NULL, 0, NULL, 0}
 };
 
-static void
+static void __attribute__((__noreturn__))
 help_me (void)
 {
   printf (_("\
diff --git a/src/lid.c b/src/lid.c
index cc254aa..d06a146 100644
--- a/src/lid.c
+++ b/src/lid.c
@@ -94,7 +94,6 @@ enum radix
 };
 
 void usage (void) __attribute__((__noreturn__));
-static void help_me (void);
 static void lower_caseify (char *str);
 static enum key_style parse_key_style (char const *arg);
 static enum result_style parse_result_style (char const *arg);
@@ -244,7 +243,7 @@ usage (void)
   exit (1);
 }
 
-static void
+static void __attribute__((__noreturn__))
 help_me (void)
 {
   printf (_("\
diff --git a/src/mkid.c b/src/mkid.c
index 0d71b68..658a7e1 100644
--- a/src/mkid.c
+++ b/src/mkid.c
@@ -63,7 +63,6 @@ struct summary
 };
 
 void usage (void);
-static void help_me (void);
 static int ceil_log_8 (unsigned long n);
 static int ceil_log_2 (unsigned long n);
 static void assert_writeable (char const *file_name);
@@ -157,7 +156,7 @@ static struct option const long_options[] =
   {NULL, 0, NULL, 0}
 };
 
-static void
+static void __attribute__((__noreturn__))
 help_me (void)
 {
   printf (_("\
diff --git a/src/xtokid.c b/src/xtokid.c
index 8b2850b..8c0b906 100644
--- a/src/xtokid.c
+++ b/src/xtokid.c
@@ -77,7 +77,7 @@ static struct option const long_options[] =
   {NULL, 0, NULL, 0}
 };
 
-static void
+static void __attribute__((__noreturn__))
 help_me (void)
 {
   printf (_("\