Define WOLFSSL_CERT_REQ so the ndk-gradle app links wolfssljni's X509_REQ calls

Author: aidangarske

android/wolfssljni-ndk-gradle/app/CMakeLists.txt

@@ -49,6 +49,9 @@ if ("${WOLFSSL_PKG_TYPE}" MATCHES "normal")
         -DHAVE_CRL -DHAVE_OCSP -DHAVE_CRL_MONITOR
         -DPERSIST_SESSION_CACHE -DPERSIST_CERT_CACHE -DATOMIC_USER
         -DHAVE_PK_CALLBACKS -DWOLFSSL_CERT_EXT -DWOLFSSL_CERT_GEN
+        # wolfssljni's WolfSSLCertRequest JNI calls wolfSSL_X509_REQ_*, which
+        # x509.c gates on CERT_GEN *and* CERT_REQ together
+        -DWOLFSSL_CERT_REQ
         -DHAVE_SNI -DHAVE_ALPN -DNO_RC4 -DHAVE_ENCRYPT_THEN_MAC
         -DNO_MD4 -DWOLFSSL_ENCRYPTED_KEYS -DHAVE_DH_DEFAULT_PARAMS
         -DNO_ERROR_QUEUE -DWOLFSSL_EITHER_SIDE -DWC_RSA_NO_PADDING