Fix #2509. (#2510)

Compatibility headers should always include the header in the same dir.

include/capstone/arm64.h

@@ -8,7 +8,7 @@
 extern "C" {
 #endif
 
-#include <capstone/aarch64.h>
+#include "aarch64.h"
 #include "cs_operand.h"
 #include "platform.h"
 

include/capstone/systemz_compatibility.h

@@ -9,7 +9,7 @@
 extern "C" {
 #endif
 
-#include <capstone/systemz.h>
+#include "systemz.h"
 #include "platform.h"
 #include "cs_operand.h"
 

suite/auto-sync/src/autosync/HeaderPatcher.py

@@ -254,7 +254,7 @@ class CompatHeaderBuilder:
         for line in v6_lines:
             if re.search(r"^#include", line):
                 if not header_inserted:
-                    output.append(f"#include <capstone/{self.v6_lower}.h>\n")
+                    output.append(f'#include "{self.v6_lower}.h"\n')
                     header_inserted = True
             output.append(line)
         return output