Squelch E_DEPRECATED_ATT about MD5 from Sun C.

The diagnostic macro pair is already in place, but it is not defined for
Sun C, fix that.

OpenSSL 1.0.2za  24 Aug 2021
cc: Studio 12.6 Sun C 5.15 SunOS_i386 2017/05/30

"./print-tcp.c", line 922: warning:  "MD5_Init" is deprecated,
  declared in : "/usr/include/openssl/md5.h", line 124
"./print-tcp.c", line 927: warning:  "MD5_Update" is deprecated,
  declared in : "/usr/include/openssl/md5.h", line 125
"./print-tcp.c", line 928: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 929: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 930: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 933: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 936: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 937: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 939: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 941: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 942: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 943: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 945: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 957: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 963: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 967: warning:  "MD5_Update" is deprecated...
"./print-tcp.c", line 968: warning:  "MD5_Final" is deprecated,
  declared in : "/usr/include/openssl/md5.h", line 126
"./signature.c", line 65: warning:  "MD5_Init" is deprecated...
"./signature.c", line 66: warning:  "MD5_Update" is deprecated...
"./signature.c", line 67: warning:  "MD5_Final" is deprecated...
"./signature.c", line 99: warning:  "MD5_Init" is deprecated...
"./signature.c", line 100: warning:  "MD5_Update" is deprecated...
"./signature.c", line 101: warning:  "MD5_Update" is deprecated...
"./signature.c", line 102: warning:  "MD5_Final" is deprecated...
"./signature.c", line 107: warning:  "MD5_Init" is deprecated...
"./signature.c", line 108: warning:  "MD5_Update" is deprecated...
"./signature.c", line 109: warning:  "MD5_Update" is deprecated...
"./signature.c", line 110: warning:  "MD5_Final" is deprecated...

Author: infrastation

diag-control.h

@@ -176,6 +176,14 @@
    * GCC does not currently generate any -Wstrict-prototypes warnings that
    * would need silencing as is done for Clang above.
    */
+#elif ND_IS_AT_LEAST_SUNC_VERSION(5,5)
+  /*
+   * Suppress deprecation warnings.
+   */
+  #define DIAG_OFF_DEPRECATION \
+    DIAG_DO_PRAGMA(error_messages(off,E_DEPRECATED_ATT))
+  #define DIAG_ON_DEPRECATION \
+    DIAG_DO_PRAGMA(error_messages(default,E_DEPRECATED_ATT))
 #endif
 
 /*