uuid plugin: fix implicit conversion warning

  CC       src/uuid.lo
src/uuid.c:50:9: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
  len = strlen(uuid);
      ~ ^~~~~~~~~~~~
1 warning generated.

diff --git a/src/uuid.c b/src/uuid.c
index 39b1fe6..c7878c7 100644 (file)
--- a/src/uuid.c
+++ b/src/uuid.c
@@ -42,13 +42,10 @@ static char *uuidfile;
 static const char *config_keys[] = {"UUIDFile"};
 
 static int looks_like_a_uuid(const char *uuid) {
-  int len;
-
   if (!uuid)
     return 0;
 
-  len = strlen(uuid);
-
+  size_t len = strlen(uuid);
   if (len < UUID_PRINTABLE_COMPACT_LENGTH)
     return 0;