[fusl] clang-format fusl

fusl/src/math/nearbyint.c

 #include <fenv.h>
 #include <math.h>
 #include "libm.h"
 
 /* nearbyint is the same as rint, but it must not raise the inexact exception */
 
-double nearbyint(double x)
-{
+double nearbyint(double x) {
 #ifdef FE_INEXACT
-        PRAGMA_STDC_FENV_ACCESS_ON
-        int e;
+  PRAGMA_STDC_FENV_ACCESS_ON
+  int e;
 
-        e = fetestexcept(FE_INEXACT);
+  e = fetestexcept(FE_INEXACT);
 #endif
-        x = rint(x);
+  x = rint(x);
 #ifdef FE_INEXACT
-        if (!e)
-                feclearexcept(FE_INEXACT);
+  if (!e)
+    feclearexcept(FE_INEXACT);
 #endif
-        return x;
+  return x;
 }