Add Android NDK sysroot to sqlcipher build

Author: Doy-lee

external/sqlcipher-cmake/CMakeLists.txt

@@ -134,7 +134,7 @@ else()
         set(sqlcipher_ldflags "${sqlcipher_ldflags} -lm -llog")
     endif()
 
-    set(sqlcipher_cflags "${sqlcipher_cflags} -DSQLCIPHER_CRYPTO_OPENSSL -I${OPENSSL_INCLUDE_DIRS}")
+    set(sqlcipher_cflags "${sqlcipher_cflags} -DSQLCIPHER_CRYPTO_OPENSSL -I${OPENSSL_INCLUDE_DIRS} --sysroot=${ANDROID_TOOLCHAIN_ROOT}/sysroot")
     if (TARGET openssl_external)
         set(sqlcipher_ldflags "${sqlcipher_ldflags} -L${OPENSSL_ROOT_DIR}/lib -lcrypto -lssl")
     else()