[fusl] clang-format fusl

fusl/src/stdlib/ecvt.c

 #define _GNU_SOURCE
 #include <stdlib.h>
 #include <stdio.h>
 
-char *ecvt(double x, int n, int *dp, int *sign)
-{
-        static char buf[16];
-        char tmp[32];
-        int i, j;
+char* ecvt(double x, int n, int* dp, int* sign) {
+  static char buf[16];
+  char tmp[32];
+  int i, j;
 
-        if (n-1U > 15) n = 15;
-        sprintf(tmp, "%.*e", n-1, x);
-        i = *sign = (tmp[0]=='-');
-        for (j=0; tmp[i]!='e'; j+=(tmp[i++]!='.'))
-                buf[j] = tmp[i];
-        buf[j] = 0;
-        *dp = atoi(tmp+i+1)+1;
+  if (n - 1U > 15)
+    n = 15;
+  sprintf(tmp, "%.*e", n - 1, x);
+  i = *sign = (tmp[0] == '-');
+  for (j = 0; tmp[i] != 'e'; j += (tmp[i++] != '.'))
+    buf[j] = tmp[i];
+  buf[j] = 0;
+  *dp = atoi(tmp + i + 1) + 1;
 
-        return buf;
+  return buf;
 }