Silence compiler warning in example program
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/programs/psa/aead_cipher_psa.c b/programs/psa/aead_cipher_psa.c
index 301701c..ef73e7a 100644
--- a/programs/psa/aead_cipher_psa.c
+++ b/programs/psa/aead_cipher_psa.c
@@ -88,7 +88,7 @@
do { \
ret = code; \
if( ret != 0 ) { \
- printf( "%s:%03d: ret = -0x%04x\n", __func__, __LINE__, -ret ); \
+ printf( "%s:%03d: ret = -0x%04x\n", __func__, __LINE__, (unsigned) -ret ); \
goto exit; \
} \
} while( 0 )