[libc][newhdrgen] removing trailing spaces -- yaml (#102043)

Co-authored-by: OverMighty <[email protected]>
diff --git a/libc/newhdrgen/yaml/features.yaml b/libc/newhdrgen/yaml/features.yaml
index 86bc0ac..a18af22 100644
--- a/libc/newhdrgen/yaml/features.yaml
+++ b/libc/newhdrgen/yaml/features.yaml
@@ -1,5 +1,5 @@
 header: features.h
-standards: 
+standards:
   - stdc
 macros: []
 types: []