Upstream: removed unnecessary condition in proxy_eval() and friends.

The first condition added in d3454e719bbb should have just replaced
the second one.
diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index f6a8c60..f1ff2ef 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -766,7 +766,7 @@
         return NGX_ERROR;
     }
 
-    if (url.addrs && url.addrs[0].sockaddr) {
+    if (url.addrs) {
         u->resolved->sockaddr = url.addrs[0].sockaddr;
         u->resolved->socklen = url.addrs[0].socklen;
         u->resolved->naddrs = 1;
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 5a686a3..01625fd 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -1008,7 +1008,7 @@
         return NGX_ERROR;
     }
 
-    if (url.addrs && url.addrs[0].sockaddr) {
+    if (url.addrs) {
         u->resolved->sockaddr = url.addrs[0].sockaddr;
         u->resolved->socklen = url.addrs[0].socklen;
         u->resolved->naddrs = 1;
diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 1171434..ee9036c 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -562,7 +562,7 @@
         return NGX_ERROR;
     }
 
-    if (url.addrs && url.addrs[0].sockaddr) {
+    if (url.addrs) {
         u->resolved->sockaddr = url.addrs[0].sockaddr;
         u->resolved->socklen = url.addrs[0].socklen;
         u->resolved->naddrs = 1;
diff --git a/src/http/modules/ngx_http_uwsgi_module.c b/src/http/modules/ngx_http_uwsgi_module.c
index b6ae0d8..47aeeed 100644
--- a/src/http/modules/ngx_http_uwsgi_module.c
+++ b/src/http/modules/ngx_http_uwsgi_module.c
@@ -764,7 +764,7 @@
         return NGX_ERROR;
     }
 
-    if (url.addrs && url.addrs[0].sockaddr) {
+    if (url.addrs) {
         u->resolved->sockaddr = url.addrs[0].sockaddr;
         u->resolved->socklen = url.addrs[0].socklen;
         u->resolved->naddrs = 1;
diff --git a/src/stream/ngx_stream_proxy_module.c b/src/stream/ngx_stream_proxy_module.c
index 7772eb6..79e84d1 100644
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -578,7 +578,7 @@
         return NGX_ERROR;
     }
 
-    if (url.addrs && url.addrs[0].sockaddr) {
+    if (url.addrs) {
         u->resolved->sockaddr = url.addrs[0].sockaddr;
         u->resolved->socklen = url.addrs[0].socklen;
         u->resolved->naddrs = 1;