cross compile failed on qnx toolschain

[rainbowball]

Describe the bug build output: programs/zstdcli.c:31:0: programs/util.h:197:20 error: unknown type name "FILE" int UTIL_isConsole(FILE* file);

To Reproduce Steps to reproduce the behavior:

1. download zstd-1.5.6.tar.gz and build

Expected behavior null

Screenshots and charts null

Desktop (please complete the following information):

• OS: Linux
• Version: 5.4.0
• Compiler aarch64-unknown-nto-qnx-7.0.0-gcc
• Flags
• Other relevant hardware specs [e.g. Dual-core]
• Build system: cmake

Additional context add "#include " in programs/util.h, build pass.

[rainbowball]

Thanks for you job!