QUIC: Add compile/run-time checking for QUIC

Different from 3.0.0 as there's no OpenSSL_info()

Author: tmshort

crypto/cversion.c

@@ -38,6 +38,10 @@ const char *OpenSSL_version(int t)
         return "ENGINESDIR: \"" ENGINESDIR "\"";
 #else
         return "ENGINESDIR: N/A";
+#endif
+#ifndef OPENSSL_NO_QUIC
+    case OPENSSL_INFO_QUIC:
+	return "QUIC";
 #endif
     }
     return "not available";

include/openssl/crypto.h

@@ -161,6 +161,10 @@ const char *OpenSSL_version(int type);
 # define OPENSSL_DIR              4
 # define OPENSSL_ENGINES_DIR      5
 
+# ifndef OPENSSL_NO_QUIC
+#  define OPENSSL_INFO_QUIC       2000
+# endif
+
 int OPENSSL_issetugid(void);
 
 typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,