[clang-tidy] misc-include-cleaner false positive for FILE type header in C89 & C90

[abdelmaged]

Source C file:

#include <stdio.h>

void testFileType(FILE *fp) {
}

Using clang-tidy misc-include-cleaner:

$ clang-tidy mytest.c -checks=-*,misc-include-cleaner -- -std=c89
2 warnings generated.
mytest.c:1:1: warning: included header stdio.h is not used directly [misc-include-cleaner]
    1 | #include <stdio.h>
      | ^~~~~~~~~~~~~~~~~~
    2 | 
mytest.c:3:19: warning: no header providing "FILE" is directly included [misc-include-cleaner]
    1 | #include <stdio.h>
    2 | 
    3 | void testFileType(FILE *fp) {
      |                   ^

Issue also reproducible in this link:
https://godbolt.org/z/3aWYjhjdb

[llvmbot]

@llvm/issue-subscribers-clang-tidy

Author: None (abdelmaged)

Source C file: ``` #include <stdio.h>

void testFileType(FILE *fp) {
}

Using clang-tidy misc-include-cleaner:

$ clang-tidy mytest.c -checks=-*,misc-include-cleaner -- -std=c89
2 warnings generated.
mytest.c:1:1: warning: included header stdio.h is not used directly [misc-include-cleaner]
1 | #include <stdio.h>
| ^~~~~~~~~~~~~~~~~~
2 |
mytest.c:3:19: warning: no header providing "FILE" is directly included [misc-include-cleaner]
1 | #include <stdio.h>
2 |
3 | void testFileType(FILE *fp) {
| ^

Issue also reproducible in this link:
https://godbolt.org/z/3aWYjhjdb

</details>

[llvmbot]

@llvm/issue-subscribers-clang-include-cleaner

Author: None (abdelmaged)

Source C file: ``` #include <stdio.h>

void testFileType(FILE *fp) {
}

Using clang-tidy misc-include-cleaner:

$ clang-tidy mytest.c -checks=-*,misc-include-cleaner -- -std=c89
2 warnings generated.
mytest.c:1:1: warning: included header stdio.h is not used directly [misc-include-cleaner]
1 | #include <stdio.h>
| ^~~~~~~~~~~~~~~~~~
2 |
mytest.c:3:19: warning: no header providing "FILE" is directly included [misc-include-cleaner]
1 | #include <stdio.h>
2 |
3 | void testFileType(FILE *fp) {
| ^

Issue also reproducible in this link:
https://godbolt.org/z/3aWYjhjdb

</details>