src: silence clang-15 compiler warnings

src/filter/cto.h

@@ -129,6 +129,7 @@ static int F(Filter *f)
 #if 0 || defined(TESTING)
     printf("\ncalls=%d noncalls=%d noncalls2=%d text_size=%x calltrickoffset=%x\n",calls,noncalls,noncalls2,size,cto);
 #endif
+    UNUSED(noncalls2);
     return 0;
 }
 

src/filter/ctoj.h

@@ -128,6 +128,7 @@ static int F(Filter *f)
 #if 0 || defined(TESTING)
     printf("\ncalls=%d noncalls=%d noncalls2=%d text_size=%x calltrickoffset=%x\n",calls,noncalls,noncalls2,size,cto);
 #endif
+    UNUSED(noncalls2);
     return 0;
 }
 

src/filter/ctojr.h

@@ -254,6 +254,7 @@ static int F(Filter *f)
         calls,noncalls,noncalls2,size,cto8);
     printf("CALL/JMP/JCC  %d  %d  %d\n",wtally[0],wtally[1],wtally[2]);
 #endif
+    UNUSED(noncalls2);
     return 0;
 }
 

src/filter/ctok.h

@@ -129,6 +129,7 @@ static int F(Filter *f)
 #if 0 || defined(TESTING)
     printf("\ncalls=%d noncalls=%d noncalls2=%d text_size=%x calltrickoffset=%x\n",calls,noncalls,noncalls2,size,cto);
 #endif
+    UNUSED(noncalls2);
     return 0;
 }