xspice/icm, fix some warnings

src/xspice/icm/analog/file_source/cfunc.mod

@@ -160,7 +160,7 @@ void cm_filesource(ARGS)   /* structure holding parms, inputs, outputs, etc.
 
         /* Allocate storage for internal state */
         loc->timeinterval = (double*)calloc(2, sizeof(double));
-        loc->amplinterval = (double*)calloc(2 * size, sizeof(double));
+        loc->amplinterval = (double*)calloc(2 * (size_t) size, sizeof(double));
         loc->state = (struct filesource_state*)malloc(sizeof(struct filesource_state));        
 
         loc->timeinterval[0] = loc->timeinterval[1] = PARAM_NULL(timeoffset) ? 0.0 : PARAM(timeoffset);

src/xspice/icm/digital/d_source/cfunc.mod

@@ -698,7 +698,7 @@ NON-STANDARD FEATURES
 
 static int cm_read_source(FILE *source, Local_Data_t *loc)
 {
-    size_t      n;  /* loop index */
+    int         n;  /* loop index */
     int         i,  /* indexing variable    */
                 j,  /* indexing variable    */
        num_tokens;  /* number of tokens in a given string    */
@@ -752,8 +752,8 @@ static int cm_read_source(FILE *source, Local_Data_t *loc)
                 s = base_address;
 
                 /* set storage space for bits in a row and set them to 0*/
-                loc->all_data[i] = (char*)malloc(sizeof(char) * loc->width);
-                for (n = 0; n < (unsigned int)loc->width; n++)
+                loc->all_data[i] = (char*)malloc(sizeof(char) * (size_t) loc->width);
+                for (n = 0; n < loc->width; n++)
                     loc->all_data[i][n] = 0;
 
                 /** Retrieve each token, analyze, and       **/
@@ -979,8 +979,8 @@ void cm_d_source(ARGS)
         loc->width = PORT_SIZE(out);
 
         /*** allocate storage for **all_data, & *all_timepoints ***/
-        loc->all_timepoints = (double*)calloc(i, sizeof(double));
-        loc->all_data = (char**)calloc(i, sizeof(char*));
+        loc->all_timepoints = (double*)calloc((size_t) i, sizeof(double));
+        loc->all_data = (char**)calloc((size_t) i, sizeof(char*));
 
         /* Send file pointer and the two array storage pointers */
         /* to "cm_read_source()". This will return after        */

src/xspice/icm/xtradev/lcouple/cfunc.mod

@@ -135,7 +135,7 @@ void cm_lcouple(ARGS)  /* structure holding parms,
               output_mmf,   /* output driving amp-turns to core side.      */
 
                num_turns,   /* number of turns on inductor                 */
-           pout_pin_fake,   /* fake partial derivative of output
+         /*pout_pin_fake,*/ /* fake partial derivative of output
                                w.r.t. input (for use with integration */
                 *in_flux,   /* current input flux value from core side
                                   (represented as a current).              */