Fix kernel build warnings (no previous prototypes and/or incompatible function parameters ...

OpenCL/m10410_a1.cl

@@ -35,7 +35,7 @@ typedef struct
 
 } RC4_KEY;
 
-void swap (__local RC4_KEY *rc4_key, const u8 i, const u8 j)
+static void swap (__local RC4_KEY *rc4_key, const u8 i, const u8 j)
 {
   u8 tmp;
 
@@ -44,7 +44,7 @@ void swap (__local RC4_KEY *rc4_key, const u8 i, const u8 j)
   rc4_key->S[j] = tmp;
 }
 
-void rc4_init_16 (__local RC4_KEY *rc4_key, const u32 data[4])
+static void rc4_init_16 (__local RC4_KEY *rc4_key, const u32 data[4])
 {
   u32 v = 0x03020100;
   u32 a = 0x04040404;
@@ -82,7 +82,7 @@ void rc4_init_16 (__local RC4_KEY *rc4_key, const u32 data[4])
   j += rc4_key->S[255] + d0; swap (rc4_key, 255, j);
 }
 
-u8 rc4_next_16 (__local RC4_KEY *rc4_key, u8 i, u8 j, __constant u32 *in, u32 out[4])
+static u8 rc4_next_16 (__local RC4_KEY *rc4_key, u8 i, u8 j, __constant u32 *in, u32 out[4])
 {
   #ifdef _unroll
   #pragma unroll