struct Process becomes struct process

This is for consistency with other structures, and ultimately with
Linux coding style.  The typedef ("Process") was dropped as well for
this reason.

This opportunity was used to fix coding style around the impacted
lines.
diff --git a/sysdeps/linux-gnu/m68k/trace.c b/sysdeps/linux-gnu/m68k/trace.c
index 311ffd5..01b5253 100644
--- a/sysdeps/linux-gnu/m68k/trace.c
+++ b/sysdeps/linux-gnu/m68k/trace.c
@@ -40,13 +40,15 @@
 #endif
 
 void
-get_arch_dep(Process *proc) {
+get_arch_dep(struct process *proc)
+{
 }
 
 /* Returns 1 if syscall, 2 if sysret, 0 otherwise.
  */
 int
-syscall_p(Process *proc, int status, int *sysnum) {
+syscall_p(struct process *proc, int status, int *sysnum)
+{
 	int depth;
 
 	if (WIFSTOPPED(status)