external: update backward-cpp to v1.4

rename the directory name to backward-cpp

Closes: #803
Signed-off-by: Shengjing Zhu <i@zhsj.me>
This commit is contained in:
Shengjing Zhu 2018-07-08 00:21:50 +08:00
commit 5e35efbf73
26 changed files with 4001 additions and 2083 deletions

BIN
external/backward-cpp/doc/nice.png vendored Normal file

Binary file not shown.

After

Width:  |  Height:  |  Size: 40 KiB

BIN
external/backward-cpp/doc/pretty.png vendored Normal file

Binary file not shown.

After

Width:  |  Height:  |  Size: 103 KiB

BIN
external/backward-cpp/doc/rude.png vendored Normal file

Binary file not shown.

After

Width:  |  Height:  |  Size: 6 KiB