o Add missing initialization of errno from error returns of

cap_get_fd(), cap_get_file() and cap_get_proc().

Submitted by:	jedgar

lib/libc/posix1e/cap_get_fd.c

@@ -47,6 +47,7 @@ cap_get_fd(int fd)
 
 	error = __cap_get_fd(fd, cap);
 	if (error) {
+		errno = erro;
 		cap_free(cap);
 		return (NULL);
 	}

lib/libc/posix1e/cap_get_file.c

@@ -47,6 +47,7 @@ cap_get_file(const char *path_p)
 
 	error = __cap_get_file(path_p, cap);
 	if (error) {
+		errno = error;
 		cap_free(cap);
 		return (NULL);
 	}

lib/libc/posix1e/cap_get_proc.c

@@ -47,6 +47,7 @@ cap_get_proc(void)
 
 	error = __cap_get_proc(cap);
 	if (error) {
+		errno = error;
 		cap_free(cap);
 		return (NULL);
 	}

lib/libposix1e/cap_get_fd.c

@@ -47,6 +47,7 @@ cap_get_fd(int fd)
 
 	error = __cap_get_fd(fd, cap);
 	if (error) {
+		errno = erro;
 		cap_free(cap);
 		return (NULL);
 	}

lib/libposix1e/cap_get_file.c

@@ -47,6 +47,7 @@ cap_get_file(const char *path_p)
 
 	error = __cap_get_file(path_p, cap);
 	if (error) {
+		errno = error;
 		cap_free(cap);
 		return (NULL);
 	}

lib/libposix1e/cap_get_proc.c

@@ -47,6 +47,7 @@ cap_get_proc(void)
 
 	error = __cap_get_proc(cap);
 	if (error) {
+		errno = error;
 		cap_free(cap);
 		return (NULL);
 	}