If an application supports static locks, it MUST support dynamic locks as

well to be able to use the CHIL engine.
PR: 281

crypto/engine/engine.h

@@ -431,6 +431,7 @@ void ERR_load_ENGINE_strings(void);
 #define ENGINE_R_INTERNAL_LIST_ERROR			 110
 #define ENGINE_R_INVALID_PADDING			 137
 #define ENGINE_R_KEY_TOO_LARGE				 138
+#define ENGINE_R_LOCKING_MISSING			 143
 #define ENGINE_R_MISSING_KEY_COMPONENTS			 111
 #define ENGINE_R_MOD_EXP_CRT_FAILED			 134
 #define ENGINE_R_MOD_EXP_FAILED				 131