[libc] Fix typos in x86_64/FEnv.h

libc/utils/FPUtil/x86_64/FEnv.h

 
 // Exception flags are individual bits in the corresponding registers.
 // So, we just OR the bit values to get the full set of exceptions.
 static inline uint16_t getStatusValueForExcept(int excepts) {
   // We will make use of the fact that exception control bits are single
   // bit flags in the control registers.
   return (excepts & FE_INVALID ? ExceptionFlags::Invalid : 0) |
 #ifdef __FE_DENORM
-         (excepts & __FE_DENORM ? ExceptionFalgs::Denormal : 0) |
+         (excepts & __FE_DENORM ? ExceptionFlags::Denormal : 0) |
 #endif // __FE_DENORM
          (excepts & FE_DIVBYZERO ? ExceptionFlags::DivByZero : 0) |
          (excepts & FE_OVERFLOW ? ExceptionFlags::Overflow : 0) |
          (excepts & FE_UNDERFLOW ? ExceptionFlags::Underflow : 0) |
          (excepts & FE_INEXACT ? ExceptionFlags::Inexact : 0);
 }
 
 static inline int exceptionStatusToMacro(uint16_t status) {
   return (status & ExceptionFlags::Invalid ? FE_INVALID : 0) |
 #ifdef __FE_DENORM
-         (status & ExceptionFalgs::Denormal ? __FE_DENORM : 0) |
+         (status & ExceptionFlags::Denormal ? __FE_DENORM : 0) |
 #endif // __FE_DENORM
          (status & ExceptionFlags::DivByZero ? FE_DIVBYZERO : 0) |
          (status & ExceptionFlags::Overflow ? FE_OVERFLOW : 0) |
          (status & ExceptionFlags::Underflow ? FE_UNDERFLOW : 0) |
          (status & ExceptionFlags::Inexact ? FE_INEXACT : 0);
 }
 
 struct X87StateDescriptor {