[PATCH v2] fetcher: fix BB_STRICT_CHECKSUM datatype check

[Alejandro Hernandez <alejandro.hernandez@linux.intel.com>]

Forcing strict to be a string, to avoid problems when performing comparisons

[YOCTO #6762]

Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
---
 lib/bb/fetch2/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/bb/fetch2/__init__.py b/lib/bb/fetch2/__init__.py
index df2f2b0..10c3346 100644
--- a/lib/bb/fetch2/__init__.py
+++ b/lib/bb/fetch2/__init__.py
@@ -543,8 +543,8 @@ def verify_checksum(ud, d):
 
     if ud.method.recommends_checksum(ud):
         # If strict checking enabled and neither sum defined, raise error
-        strict = d.getVar("BB_STRICT_CHECKSUM", True) or None
-        if strict and not (ud.md5_expected or ud.sha256_expected):
+        strict = d.getVar("BB_STRICT_CHECKSUM", "1") or "0"
+        if (strict == "1") and not (ud.md5_expected or ud.sha256_expected):
             logger.error('No checksum specified for %s, please add at least one to the recipe:\n'
                              'SRC_URI[%s] = "%s"\nSRC_URI[%s] = "%s"' %
                              (ud.localpath, ud.md5_name, md5data,
-- 
1.9.1