flag -no-undefined does not take arguments

Fix the dropping of the flag -no-undefined. It does not take any
arguments, so we were dropping the following argument incorrectly.

2 files changed, 5 insertions, 4 deletions

diff --git a/README.txt b/README.txt
index 07a0b54..4025de8 100644
--- a/README.txt
+++ b/README.txt
@@ -85,7 +85,8 @@ Adding resources to modules (a module must be declared first!):
 	-L and -R will be silently removed
 	-pthread and -lpthread will be silently removed
 	-lrt will be silently removed (rt is a built-in library in bionic)
-	-dlopen, -version-info, -no-undefined and the word following those
+	-no-undefined will be silently removed
+	-dlopen, -version-info, and the word following those
 	(the option argument) will be silently removed
 	Of plain file arguments, only *.a and *.la files are kept, all others
 	are silently dropped.
diff --git a/options.c b/options.c
index 35a4d98..33e02b8 100644
--- a/options.c
+++ b/options.c
@@ -393,13 +393,13 @@ static int add_ldflag(struct module *m, char *flag, enum build_type btype)
 		}
 		if ((strcmp(flag, "-pthread") == 0) ||
 		    (strcmp(flag, "-lpthread") == 0) ||
-		    (strcmp(flag, "-lrt") == 0)) {
+		    (strcmp(flag, "-lrt") == 0) ||
+		    (strcmp(flag, "-no-undefined") == 0)) {
 			free(flag);
 			return 0;
 		}
 		if ((strcmp(flag, "-dlopen") == 0) ||
-		    (strcmp(flag, "-version-info") == 0) ||
-		    (strcmp(flag, "-no-undefined") == 0)) {
+		    (strcmp(flag, "-version-info") == 0)) {
 			free(flag);
 			return 1;
 		}