Add proper flag to negative license rules #712

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

src/licensedcode/data/rules/not-a-license_13.yml

@@ -1,4 +1,4 @@
-notes: >-
-    Curl doc on licensing where nothing should be detected.
+negative: yes
+notes: Curl doc on licensing where nothing should be detected.
     This is a discussion on licensing which is interesting but not a license notice
     or statement.

src/licensedcode/data/rules/not-a-license_14.yml

@@ -1,4 +1,4 @@
-notes: >-
-    Curl doc on licensing where nothing should be detected.
+negative: yes
+notes: Curl doc on licensing where nothing should be detected.
     This is a discussion on licensing which is interesting but not a license notice
     or statement.

src/licensedcode/data/rules/not-a-license_boost_1.yml

@@ -1,4 +1 @@
 negative: yes
-notes: |-
-    In busybox-1.17.4/modutils/depmod.c (line 71 in the file)  an incorrect  license detection of GPL 3.0 was made for this line
-      if (strncmp(ptr, "gpl", 3) == 0