data/reports: update GO-2020-0001.yaml with correct vulnerable symbol

defaultLogFormatter is name of a variable holding an anonymous
vulnerable function. We now claim vulnerable those functions that
directly use defaultLogFormatter, which in this case is
LoggerWithConfig.

Fixes #55937

Change-Id: I38d398e7ef2f7a94cc625b669c26c5b8444adfa0
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/439377
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Zvonimir Pavlinovic <zpavlinovic@google.com>
Reviewed-by: Damien Neil <dneil@google.com>

data/osv/GO-2020-0001.json

@@ -33,7 +33,11 @@
           {
             "path": "github.com/gin-gonic/gin",
             "symbols": [
-              "defaultLogFormatter"
+              "Default",
+              "Logger",
+              "LoggerWithConfig",
+              "LoggerWithFormatter",
+              "LoggerWithWriter"
             ]
           }
         ]

data/reports/GO-2020-0001.yaml

@@ -2,10 +2,16 @@ modules:
   - module: github.com/gin-gonic/gin
     versions:
       - fixed: 1.6.0
+    vulnerable_at: 1.5.0
     packages:
       - package: github.com/gin-gonic/gin
         symbols:
-          - defaultLogFormatter
+          - LoggerWithConfig
+        derived_symbols:
+          - Default
+          - Logger
+          - LoggerWithFormatter
+          - LoggerWithWriter
 description: |
     The default Formatter for the Logger middleware (LoggerConfig.Formatter),
     which is included in the Default engine, allows attackers to inject arbitrary