SSL: fixed build by Sun C with old OpenSSL versions.

Sun C complains about "statement not reached" if a "return" is followed
by additional statements.

src/http/modules/ngx_http_grpc_module.c

diff --git a/src/http/modules/ngx_http_grpc_module.c b/src/http/modules/ngx_http_grpc_module.c
index aa75765..f5bf575 100644
--- a/src/http/modules/ngx_http_grpc_module.c
+++ b/src/http/modules/ngx_http_grpc_module.c
@@ -4841,9 +4841,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }
 
 

src/http/modules/ngx_http_proxy_module.c

diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 2726667..a63c3ed 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -4913,9 +4913,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }
 
 

src/http/modules/ngx_http_ssl_module.c

diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
index e062b03..a47d696 100644
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -1274,9 +1274,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }
 
 

src/http/modules/ngx_http_uwsgi_module.c

diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index bf27326..1334f44 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -2398,9 +2398,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }
 
 

src/mail/ngx_mail_ssl_module.c

diff --git a/src/mail/ngx_mail_ssl_module.c b/src/mail/ngx_mail_ssl_module.c
index d560bd6..7eae83e 100644
--- a/src/mail/ngx_mail_ssl_module.c
+++ b/src/mail/ngx_mail_ssl_module.c
@@ -682,7 +682,7 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }

src/stream/ngx_stream_proxy_module.c

diff --git a/src/stream/ngx_stream_proxy_module.c b/src/stream/ngx_stream_proxy_module.c
index 0c86083..01cda7a 100644
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -1026,9 +1026,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }
 
 

src/stream/ngx_stream_ssl_module.c

diff --git a/src/stream/ngx_stream_ssl_module.c b/src/stream/ngx_stream_ssl_module.c
index ccd359f..d8c0471 100644
--- a/src/stream/ngx_stream_ssl_module.c
+++ b/src/stream/ngx_stream_ssl_module.c
@@ -1061,9 +1061,9 @@
 {
 #ifndef SSL_CONF_FLAG_FILE
     return "is not supported on this platform";
-#endif
-
+#else
     return NGX_CONF_OK;
+#endif
 }