Properly report invalid quoted strings

$ systemd-analyze verify trailing-g.service
[./trailing-g.service:2] Trailing garbage, ignoring.
trailing-g.service lacks ExecStart setting. Refusing.
Error: org.freedesktop.systemd1.LoadFailed: Unit trailing-g.service failed to load: Invalid argument.
Failed to create trailing-g.service/start: Invalid argument

1 files changed, 1 insertions, 1 deletions

diff --git a/src/shared/strv.h b/src/shared/strv.h
index 3034073d32..ee55c148aa 100644
--- a/src/shared/strv.h
+++ b/src/shared/strv.h
@@ -62,7 +62,7 @@ static inline bool strv_isempty(char * const *l) {
 }
 
 char **strv_split(const char *s, const char *separator);
-char **strv_split_quoted(const char *s);
+int strv_split_quoted(char ***t, const char *s);
 char **strv_split_newlines(const char *s);
 
 char *strv_join(char **l, const char *separator);