fix grammar in plugin loading error message

"cause for this problem are" => "cause for this problem is"

diff --git a/src/plugin.c b/src/plugin.c
index 3c92df2..f4461b5 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -306,7 +306,7 @@ static int plugin_load_file (char *file, uint32_t flags)
 
                ssnprintf (errbuf, sizeof (errbuf),
                                "lt_dlopen (\"%s\") failed: %s. "
-                               "The most common cause for this problem are "
+                               "The most common cause for this problem is "
                                "missing dependencies. Use ldd(1) to check "
                                "the dependencies of the plugin "
                                "/ shared object.",