update rust_analyzer_settings.json

Author: RalfJung

src/etc/rust_analyzer_settings.json

@@ -16,10 +16,10 @@
         "compiler/rustc_codegen_gcc/Cargo.toml"
     ],
     "rust-analyzer.rustfmt.overrideCommand": [
-        "./build/host/rustfmt/bin/rustfmt",
+        "${workspaceFolder}/build/host/rustfmt/bin/rustfmt",
         "--edition=2021"
     ],
-    "rust-analyzer.procMacro.server": "./build/host/stage0/libexec/rust-analyzer-proc-macro-srv",
+    "rust-analyzer.procMacro.server": "${workspaceFolder}/build/host/stage0/libexec/rust-analyzer-proc-macro-srv",
     "rust-analyzer.procMacro.enable": true,
     "rust-analyzer.cargo.buildScripts.enable": true,
     "rust-analyzer.cargo.buildScripts.invocationLocation": "root",