Set a real data type used for FreeArray2D.

This relates to issue #17.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 29f338fe21)

kernel/kls_ljpeg/ljpeg2ppm/ljpgtopnm.c

@@ -48,7 +48,7 @@
  * input and output file pointers 
  */
 FILE *inFile, *outFile;
-void FreeArray2D(char **);
+void FreeArray2D(MCU *);
 
 void WritePmHeader(DecompressInfo dcInfo);
 

kernel/kls_ljpeg/ljpeg2ppm/util.c

@@ -44,7 +44,7 @@
 #include "mcu.h"
 #include "proto.h"
 
-void FreeArray2D(char **);
+void FreeArray2D(MCU *);
 void FixHuffTbl(HuffmanTable *);
 
 unsigned int bitMask[] = {  0xffffffff, 0x7fffffff, 0x3fffffff, 0x1fffffff,
@@ -293,7 +293,7 @@ FixHuffTbl (htbl)
  */
 void
 FreeArray2D(arrayPtr)
-    char **arrayPtr;
+    MCU *arrayPtr;
 {
     free(arrayPtr[0]);
     free(arrayPtr);