Changed multi-line C comments into another style.

The left side doesn't look unbalanced.

src/sp65/pcx.c

@@ -153,10 +153,10 @@ static PCXHeader* ReadPCXHeader (FILE* F, const char* Name)
                P->Compressed, Name);
     }
     /* We support:
-     *   - one plane with either 1 or 8 bits per pixel
-     *   - three planes with 8 bits per pixel
-     *   - four planes with 8 bits per pixel (does this exist?)
-     */
+    **   - one plane with either 1 or 8 bits per pixel
+    **   - three planes with 8 bits per pixel
+    **   - four planes with 8 bits per pixel (does this exist?)
+    */
     if (!((P->BPP == 1 && P->Planes == 1) ||
           (P->BPP == 8 && (P->Planes == 1 || P->Planes == 3 || P->Planes == 4)))) {
         /* We could support others, but currently we don't */
@@ -326,8 +326,8 @@ Bitmap* ReadPCXFile (const Collection* A)
         }
 
         /* One plane means we have a palette which is either part of the header
-         * or follows.
-         */
+        ** or follows.
+        */
         if (P->PalInfo == 0) {
 
             /* Create the monochrome palette */