Land https://codereview.chromium.org/889083003/ to update libsrtp to upstream 1.5.0

srtp/crypto/test/env.c

 /*
  * env.c
  *
  * prints out a brief report on the build environment
  *
  * David McGrew
  * Cisco Systems, Inc.
  */
 /*
  *      
@@ skipping 31 matching lines @@
  *
  */
 
 #include <stdio.h>
 #include <string.h>     /* for srtcmp() */
 #include "config.h"
 
 int 
 main(void) {
   int err_count = 0;
+#ifndef OPENSSL
   char *str;
+#endif
 
 #ifdef WORDS_BIGENDIAN
   printf("CPU set to big-endian\t\t\t(WORDS_BIGENDIAN == 1)\n");
 #else
   printf("CPU set to little-endian\t\t(WORDS_BIGENDIAN == 0)\n");
 #endif
 
 #ifdef CPU_RISC
   printf("CPU set to RISC\t\t\t\t(CPU_RISC == 1)\n");
 #elif defined(CPU_CISC)
@@ skipping 10 matching lines @@
 #ifndef NO_64BIT_MATH
   printf("using native 64-bit type\t\t(NO_64_BIT_MATH == 0)\n");
 #else
   printf("using built-in 64-bit math\t\t(NO_64_BIT_MATH == 1)\n");
 #endif
 
 #ifdef ERR_REPORTING_STDOUT
   printf("using stdout for error reporting\t(ERR_REPORTING_STDOUT == 1)\n");
 #endif
 
+#ifndef OPENSSL
 #ifdef DEV_URANDOM
   str = DEV_URANDOM;
 #else
   str = "";
 #endif
   printf("using %s as a random source\t(DEV_URANDOM == %s)\n",
          str, str);
   if (strcmp("", str) == 0) {
     err_count++;
   }
+#endif
   
   if (err_count)
     printf("warning: configuration is probably in error "
            "(found %d problems)\n", err_count);
 
   return err_count;
 }