Fix shader transpiling error. Update dependencies

This update fixes the transpilation of preprocessor directives when
interspersed with other external declarations. Thanks Esron#1571 for
reporting this issue over Discord.

Related glsl fork commits:
ComunidadAylas/glsl@6326adf
ComunidadAylas/glsl@fabd76d

Cargo.toml

@@ -16,7 +16,7 @@ bytes = "1.1.0"
 globset = "0.4.8"
 enumset = { version = "1.0.7", features = ["serde"] }
 indexmap = { version = "1.7.0", default-features = false, features = ["serde-1"] }
-thiserror = "1.0.29"
+thiserror = "1.0.30"
 ahash = "0.7.4"
 
 num_cpus = "1.13.0"
@@ -38,7 +38,7 @@ json_comments = "0.2.0"
 jsonpath_lib = "0.3.0"
 
 spng = { version = "0.2.0-alpha.2", default-features = false }
-png = "0.17.1"
+png = "0.17.2"
 rgb = "0.8.27"
 imagequant = "3.1.0"
 oxipng = { version = "5.0.0", default-features = false, features = ["zopfli"] }

src/main.rs

@@ -84,9 +84,10 @@ fn read_options_file_and_process(options_file_path: Option<&String>) -> i32 {
 		// Newbies are often confused by terms such as "standard input", so try
 		// to point them in the direction of what they probably want to do
 		println!(
-			"If you are not sure what this means, try using an external options \
-			file with PackSquash. Please check out <https://packsquash.page.link/Options-files> \
-			for examples and more information."
+			"If you are not sure what this means, try using an external options file with PackSquash."
+		);
+		println!(
+			"Please check out <https://packsquash.page.link/Options-files> for examples and more information."
 		);
 	}
 	println!();

src/pack_file/shader_file/example.fsh

@@ -4,6 +4,9 @@
 
 #version 120
 
+// Dummy variable added to check that transpilation doesn't mess with the preprocessor directives
+vec3 dummy_variable;
+
 // Test that the #moj_import directive added in 1.17 works fine
 #moj_import <base.fsh>
 #moj_import "common.fsh"