Update setjmp.cpp

Author: SchrodingerZhu

libc/src/setjmp/x86_64/setjmp.cpp

@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // We use naked functions to avoid compiler-generated prologue and epilogue.
-// Despite GCC documentation listing this as a unsupported case for extended 
+// Despite GCC documentation listing this as an unsupported case for extended 
 // asm, the generated code is not wrong as we only pass in constant operands 
 // to extended asm.
 // See https://github.com/llvm/llvm-project/issues/137055 for related remarks.