Group common includes into common.h

Include config.h and compat.h in common.h, and include common.h from all
source files.

app/src/util/buffer_util.h

@@ -4,7 +4,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-#include "config.h"
+#include "common.h"
 
 static inline void
 buffer_write16be(uint8_t *buf, uint16_t value) {

app/src/util/cbuf.h

@@ -5,7 +5,7 @@
 #include <stdbool.h>
 #include <unistd.h>
 
-#include "config.h"
+#include "common.h"
 
 // To define a circular buffer type of 20 ints:
 //     struct cbuf_int CBUF(int, 20);

app/src/util/lock.h

@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <SDL2/SDL_mutex.h>
 
-#include "config.h"
+#include "common.h"
 #include "log.h"
 
 static inline void

app/src/util/net.c

@@ -3,7 +3,6 @@
 #include <stdio.h>
 #include <SDL2/SDL_platform.h>
 
-#include "config.h"
 #include "log.h"
 
 #ifdef __WINDOWS__

app/src/util/net.h

@@ -17,7 +17,7 @@
   typedef int socket_t;
 #endif
 
-#include "config.h"
+#include "common.h"
 
 bool
 net_init(void);

app/src/util/process.h

@@ -3,7 +3,7 @@
 
 #include <stdbool.h>
 
-#include "config.h"
+#include "common.h"
 
 #ifdef _WIN32
 

app/src/util/queue.h

@@ -6,7 +6,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-#include "config.h"
+#include "common.h"
 
 // To define a queue type of "struct foo":
 //    struct queue_foo QUEUE(struct foo);

app/src/util/str_util.c

@@ -12,8 +12,6 @@
 
 #include <SDL2/SDL_stdinc.h>
 
-#include "config.h"
-
 size_t
 xstrncpy(char *dest, const char *src, size_t n) {
     size_t i;

app/src/util/str_util.h

@@ -4,7 +4,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-#include "config.h"
+#include "common.h"
 
 // like strncpy, except:
 //  - it copies at most n-1 chars