Fix msys2 build
Looks like it doesn't like the fontconfig thing from !825 (merged). From https://gitlab.gnome.org/GNOME/librsvg/-/jobs/2788397:
Compiling rsvg-convert v2.56.0 (C:\_r\_builds\vJWzEqDv\0\GNOME\librsvg\rsvg-convert)
error[E0433]: failed to resolve: use of undeclared crate or module `fontconfig_sys`
--> rsvg\src\test_utils\mod.rs:61:26
|
61 | config: *mut fontconfig_sys::FcConfig,
| ^^^^^^^^^^^^^^ use of undeclared crate or module `fontconfig_sys`
Compiling clap_complete v4.2.1
Compiling chrono v0.4.24
error[E0433]: failed to resolve: use of undeclared crate or module `fontconfig_sys`
--> rsvg\src\test_utils\mod.rs:75:22
|
75 | let config = fontconfig_sys::FcConfigCreate();
| ^^^^^^^^^^^^^^ use of undeclared crate or module `fontconfig_sys`
error[E0433]: failed to resolve: use of undeclared crate or module `fontconfig_sys`
--> rsvg\src\test_utils\mod.rs:76:12
|
76 | if fontconfig_sys::FcConfigSetCurrent(config) == 0 {
| ^^^^^^^^^^^^^^ use of undeclared crate or module `fontconfig_sys`
error[E0433]: failed to resolve: use of undeclared crate or module `fontconfig_sys`
--> rsvg\src\test_utils\mod.rs:83:16
|
83 | if fontconfig_sys::FcConfigAppFontAddFile(config, path_cstring.as_ptr() as *const _)
| ^^^^^^^^^^^^^^ use of undeclared crate or module `fontconfig_sys`
error[E0433]: failed to resolve: use of undeclared crate or module `fontconfig_sys`
--> rsvg\src\test_utils\mod.rs:94:9
|
94 | fontconfig_sys::FcConfigDestroy(config);
| ^^^^^^^^^^^^^^ use of undeclared crate or module `fontconfig_sys`
For more information about this error, try `rustc --explain E0433`.
error: could not compile `librsvg` due to 5 previous errors
warning: build failed, waiting for other jobs to finish...