i.pca: G_strcat() is not available in GRASS7

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@36534 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.pca/support.c

@@ -52,16 +52,16 @@ static int write_history(int bands, char *outname, double **eigmat, double *eigv
 	sprintf(tmpeigen, "PC%d %9.2f (", i+1, eigval[i]);
 	for (j = 0; j < bands; j++) {
 	    sprintf(tmpa, "%7.4f", eigmat[i][j]);
-	    G_strcat(tmpeigen, tmpa);
+	    strcat(tmpeigen, tmpa);
 	    if (j < (bands - 1) ){
 		sprintf(tmpa, ",");
-		G_strcat(tmpeigen, tmpa);
+		strcat(tmpeigen, tmpa);
 	    }
 	}
-	G_strcat(tmpeigen, ")");
+	strcat(tmpeigen, ")");
 	
 	sprintf(tmpa, "[%.2f%%]", eigval[i] * 100/eigval_total);
-	G_strcat(tmpeigen, tmpa);
+	strcat(tmpeigen, tmpa);
 
 	sprintf(hist.edhist[i + 1], tmpeigen);