util: fix saferead type

* src/util/util.c (saferead): Fix return type.
(safewrite): Fix indentation.

src/util/util.c

@@ -88,7 +88,8 @@ verify(sizeof(gid_t) <= sizeof (unsigned int) &&
                              __FUNCTION__, __LINE__, __VA_ARGS__)
 
 /* Like read(), but restarts after EINTR */
-int saferead(int fd, void *buf, size_t count)
+ssize_t
+saferead(int fd, void *buf, size_t count)
 {
     size_t nread = 0;
     while (count > 0) {
@@ -107,7 +108,8 @@ int saferead(int fd, void *buf, size_t count)
 }
 
 /* Like write(), but restarts after EINTR */
-ssize_t safewrite(int fd, const void *buf, size_t count)
+ssize_t
+safewrite(int fd, const void *buf, size_t count)
 {
     size_t nwritten = 0;
     while (count > 0) {

src/util/util.h

@@ -36,7 +36,7 @@
 #  define MIN(a, b) ((a) < (b) ? (a) : (b))
 # endif
 
-int saferead(int fd, void *buf, size_t count) ATTRIBUTE_RETURN_CHECK;
+ssize_t saferead(int fd, void *buf, size_t count) ATTRIBUTE_RETURN_CHECK;
 ssize_t safewrite(int fd, const void *buf, size_t count)
     ATTRIBUTE_RETURN_CHECK;
 int safezero(int fd, int flags, off_t offset, off_t len)