linux/random.h: Use false with bool

Keep the generic fallback versions in sync with the other architecture
specific implementations and use the proper name for false.

Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200110145422.49141-6-broonie@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

include/linux/random.h

@@ -169,19 +169,19 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
 #else
 static inline bool arch_get_random_long(unsigned long *v)
 {
-	return 0;
+	return false;
 }
 static inline bool arch_get_random_int(unsigned int *v)
 {
-	return 0;
+	return false;
 }
 static inline bool arch_get_random_seed_long(unsigned long *v)
 {
-	return 0;
+	return false;
 }
 static inline bool arch_get_random_seed_int(unsigned int *v)
 {
-	return 0;
+	return false;
 }
 #endif