Merge pull request #12126 from dutor/fix-accept-queue-init

Fix init_max_accept_queue_size
diff --git a/src/core/lib/iomgr/tcp_server_utils_posix_common.cc b/src/core/lib/iomgr/tcp_server_utils_posix_common.cc
index 72443cc..5139760 100644
--- a/src/core/lib/iomgr/tcp_server_utils_posix_common.cc
+++ b/src/core/lib/iomgr/tcp_server_utils_posix_common.cc
@@ -55,7 +55,7 @@
   if (fgets(buf, sizeof buf, fp)) {
     char* end;
     long i = strtol(buf, &end, 10);
-    if (i > 0 && i <= INT_MAX && end && *end == 0) {
+    if (i > 0 && i <= INT_MAX && end && *end == '\n') {
       n = (int)i;
     }
   }