prevent few compiler warnings

src/spicelib/devices/nbjt/nbjtdump.c

@@ -72,7 +72,8 @@ NBJTdump(GENmodel *inModel, CKTcircuit *ckt)
 
 	writeAscii = compareFiletypeVar("ascii");
 
-	if (!(fpState = fopen(fileName, (writeAscii ? "w" : "wb")))) {
+	fpState = fopen(fileName, (writeAscii ? "w" : "wb"));
+	if (!fpState) {
 	  perror(fileName);
 	} else {
 	  NBJTputHeader(fpState, ckt, inst);

src/spicelib/devices/nbjt2/nbt2dump.c

@@ -73,7 +73,8 @@ NBJT2dump(GENmodel *inModel, CKTcircuit *ckt)
 
 	writeAscii = compareFiletypeVar("ascii");
 
-	if (!(fpState = fopen(fileName, (writeAscii ? "w" : "wb")))) {
+	fpState = fopen(fileName, (writeAscii ? "w" : "wb"));
+	if (!fpState) {
 	  perror(fileName);
 	} else {
 	  NBJT2putHeader(fpState, ckt, inst);

src/spicelib/devices/numd/numddump.c

@@ -72,7 +72,8 @@ NUMDdump(GENmodel *inModel, CKTcircuit *ckt)
 
 	writeAscii = compareFiletypeVar("ascii");
 
-	if (!(fpState = fopen(fileName, (writeAscii ? "w" : "wb")))) {
+	fpState = fopen(fileName, (writeAscii ? "w" : "wb"));
+	if (!fpState) {
 	  perror(fileName);
 	} else {
 	  NUMDputHeader(fpState, ckt, inst);

src/spicelib/devices/numd2/nud2ask.c

@@ -116,5 +116,4 @@ NUMD2ask(CKTcircuit *ckt, GENinstance *inInst, int which, IFvalue *value, IFvalu
     return (E_BADPARM);
   }
   /* NOTREACHED */
-  return (E_BADPARM);
 }

src/spicelib/devices/numd2/nud2dump.c

@@ -73,7 +73,8 @@ NUMD2dump(GENmodel *inModel, CKTcircuit *ckt)
 
 	writeAscii = compareFiletypeVar("ascii");
 
-	if (!(fpState = fopen(fileName, (writeAscii ? "w" : "wb")))) {
+	fpState = fopen(fileName, (writeAscii ? "w" : "wb"));
+	if (!fpState) {
 	  perror(fileName);
 	} else {
 	  NUMD2putHeader(fpState, ckt, inst);

src/spicelib/devices/numos/nummdump.c

@@ -73,7 +73,8 @@ NUMOSdump(GENmodel *inModel, CKTcircuit *ckt)
 
 	writeAscii = compareFiletypeVar("ascii");
 
-	if (!(fpState = fopen(fileName, (writeAscii ? "w" : "wb")))) {
+	fpState = fopen(fileName, (writeAscii ? "w" : "wb"));
+	if (!fpState) {
 	  perror(fileName);
 	} else {
 	  NUMOSputHeader(fpState, ckt, inst);