Android: Silence a few warnings

Source/Core/Core/PowerPC/JitArm32/JitArm_BackPatch.cpp

@@ -17,7 +17,7 @@ using namespace ArmGen;
 // 1) It's really necessary. We don't know anything about the context.
 // 2) It doesn't really hurt. Only instructions that access I/O will get these, and there won't be
 //    that many of them in a typical program/game.
-bool DisamLoadStore(const u32 inst, ARMReg &rD, u8 &accessSize, bool &Store)
+static bool DisamLoadStore(const u32 inst, ARMReg &rD, u8 &accessSize, bool &Store)
 {
 	u8 op = (inst >> 20) & 0xFF;
 	rD = (ARMReg)((inst >> 12) & 0xF);

Source/Core/Core/PowerPC/JitArm32/JitArm_Integer.cpp

@@ -168,32 +168,32 @@ void JitArm::subfic(UGeckoInstruction inst)
 	// This instruction has no RC flag
 }
 
-u32 Add(u32 a, u32 b)
+static u32 Add(u32 a, u32 b)
 {
 	return a + b;
 }
 
-u32 Sub(u32 a, u32 b)
+static u32 Sub(u32 a, u32 b)
 {
 	return a - b;
 }
 
-u32 Mul(u32 a, u32 b)
+static u32 Mul(u32 a, u32 b)
 {
 	return a * b;
 }
 
-u32 Or (u32 a, u32 b)
+static u32 Or (u32 a, u32 b)
 {
 	return a | b;
 }
 
-u32 And(u32 a, u32 b)
+static u32 And(u32 a, u32 b)
 {
 	return a & b;
 }
 
-u32 Xor(u32 a, u32 b)
+static u32 Xor(u32 a, u32 b)
 {
 	return a ^ b;
 }

Source/Core/DolphinWX/MainAndroid.cpp

@@ -133,7 +133,7 @@ static inline u32 GetPixel(u32 *buffer, unsigned int x, unsigned int y) {
 	return buffer[y * 192 + x];
 }
 
-bool LoadBanner(std::string filename, u32 *Banner)
+static bool LoadBanner(std::string filename, u32 *Banner)
 {
 	DiscIO::IVolume* pVolume = DiscIO::CreateVolumeFromFilename(filename);
 
@@ -188,7 +188,8 @@ bool LoadBanner(std::string filename, u32 *Banner)
 
 	return false;
 }
-std::string GetName(std::string filename)
+
+static std::string GetName(std::string filename)
 {
 	if (!m_names.empty())
 		return m_names[0];
@@ -202,7 +203,7 @@ std::string GetName(std::string filename)
 	return name;
 }
 
-std::string GetJString(JNIEnv *env, jstring jstr)
+static std::string GetJString(JNIEnv *env, jstring jstr)
 {
 	std::string result = "";
 	if (!jstr)