BUG/MINOR: ssl: continue upon error when opening a directory w/ ca-file

Previous patch was accidentaly breaking upon an error when itarating
through a CA directory. This is not the expected behavior, the function
must start processing the other files after the warning.
diff --git a/src/ssl_ckch.c b/src/ssl_ckch.c
index f1fba33..242dfb2 100644
--- a/src/ssl_ckch.c
+++ b/src/ssl_ckch.c
@@ -1169,7 +1169,6 @@
 				BIO_free(in);
 				free(de);
 				ha_warning("ca-file: '%s' couldn't load '%s'\n", path, trash.area);
-				break;
 
 			}
 			free(de_list);