File 4001-libc-stdio-vsnprintf.c-add-explicit.patch of Package qemu.18973

From: Stewart Smith <stewart@linux.vnet.ibm.com>
Date: Thu, 2 Feb 2017 16:35:40 +1100
Subject: libc/stdio/vsnprintf.c: add explicit fallthrough

silences recent GCC warning

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 libc/stdio/vsnprintf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/roms/skiboot/libc/stdio/vsnprintf.c b/roms/skiboot/libc/stdio/vsnprintf.c
index fbb84a0bb7435f1c9c094d8b225f..e83cee84d76a33729abd31bc6137 100644
--- a/roms/skiboot/libc/stdio/vsnprintf.c
+++ b/roms/skiboot/libc/stdio/vsnprintf.c
@@ -164,6 +164,7 @@ print_format(char **buffer, size_t bufsize, const char *format, void *var)
 				break;
 			case 'X':
 				upper = true;
+				/* fallthrough */
 			case 'x':
 				sizec[i] = '\0';
 				value = (unsigned long) var & convert[length_mod];