Disable -Wcast-function-type-mismatch am: 26781077ff

Original change: https://android-review.googlesource.com/c/platform/external/musl/+/3500050

Change-Id: I2ae754ba8ffe3f2d801f5a959430597bca6a022e
Signed-off-by: Automerger Merge Worker <[email protected]>