Enable -Wmissing-variable-declarations and
-Wincompatible-pointer-types-discards-qualifiers (the latter did not require
any code changes).

Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/apps/ecparam.c b/apps/ecparam.c
index 145f55c..5a98f45 100644
--- a/apps/ecparam.c
+++ b/apps/ecparam.c
@@ -116,14 +116,14 @@
     {NULL}
 };
 
-OPT_PAIR forms[] = {
+static OPT_PAIR forms[] = {
     {"compressed", POINT_CONVERSION_COMPRESSED},
     {"uncompressed", POINT_CONVERSION_UNCOMPRESSED},
     {"hybrid", POINT_CONVERSION_HYBRID},
     {NULL}
 };
 
-OPT_PAIR encodings[] = {
+static OPT_PAIR encodings[] = {
     {"named_curve", OPENSSL_EC_NAMED_CURVE},
     {"explicit", 0},
     {NULL}