Compatibility with older compilers

src/criticnew.c

@@ -579,12 +579,13 @@ static void cl_connectdots(int verbose)
     float currentdist,distmin,disttest;
     struct biline zpos,currentpos;
     int pos,minpos,iline;
+    int i;
     
     iline=1;
 
     currentpos=tangent[1]; // start with the first two points
 
-    for(int i=2;i<ntline;i++)
+    for(i=2;i<ntline;i++)
     {
 	 if(tangent[i].i==1)  // start a new line
 	 {
@@ -627,7 +628,7 @@ static void cl_connectdots(int verbose)
 
     currentpos=radial[1]; // start with the first two points
 
-    for(int i=2;i<nrline;i++)
+    for(i=2;i<nrline;i++)
     {
 	 if(radial[i].i==1)  // start a new line
 	 {

src/zonemult.c

@@ -62,7 +62,7 @@ void    zonemult()
     dlsds = dratio(lens[0].z, CL.cz[0]);
 
     line = (struct point **)malloc(NLMAX*sizeof(struct point *));
-    for (int i=0;i<NLMAX;i++)
+    for (i=0;i<NLMAX;i++)
 	    line[i]= (struct point *)malloc(NPOINT*sizeof(struct point));