Move macro definitions close to usage

Process.h

@@ -15,10 +15,6 @@ in the source distribution for its full text.
 #include "Object.h"
 #include "RichString.h"
 
-#ifdef __ANDROID__
-#define SYS_ioprio_get __NR_ioprio_get
-#define SYS_ioprio_set __NR_ioprio_set
-#endif
 
 #define PROCESS_FLAG_IO 0x0001
 #define DEFAULT_HIGHLIGHT_SECS 5

linux/LinuxProcess.c

@@ -184,6 +184,11 @@ static int LinuxProcess_effectiveIOPriority(const LinuxProcess* this) {
    return this->ioPriority;
 }
 
+#ifdef __ANDROID__
+#define SYS_ioprio_get __NR_ioprio_get
+#define SYS_ioprio_set __NR_ioprio_set
+#endif
+
 IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this) {
    IOPriority ioprio = 0;
 // Other OSes masquerading as Linux (NetBSD?) don't have this syscall