Fix "--version_script" typo in doc.

The linker flag is --version-script.

Change-Id: I3bc66e848cc27ca6eebc004c662152faef6f8076
Test: N/A
Bug: 257226023
diff --git a/cc/linker.go b/cc/linker.go
index 76a60ca..625d89c 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -221,7 +221,7 @@
 	// Generate compact dynamic relocation table, default true.
 	Pack_relocations *bool `android:"arch_variant"`
 
-	// local file name to pass to the linker as --version_script
+	// local file name to pass to the linker as --version-script
 	Version_script *string `android:"path,arch_variant"`
 
 	// local file name to pass to the linker as --dynamic-list