Make the path to 'sox' configurable by marking it '@sox@' (easy to match with sed).

Author: Bjørn Forsman
diff -uNr espeakedit-1.48.03.orig/src/compiledata.cpp espeakedit-1.48.03/src/compiledata.cpp
--- espeakedit-1.48.03.orig/src/compiledata.cpp	2014-03-04 17:48:11.000000000 +0100
+++ espeakedit-1.48.03/src/compiledata.cpp	2014-07-22 16:38:50.261388452 +0200
@@ -1884,7 +1884,7 @@
             fname2 = msg;
         }
 
-        sprintf(command,"sox \"%s%s.wav\" -r %d -c1 -t wav %s\n",path_source,fname2,samplerate_native, fname_temp);
+        sprintf(command,"@sox@ \"%s%s.wav\" -r %d -c1 -t wav %s\n",path_source,fname2,samplerate_native, fname_temp);
         if(system(command) != 0)
         {
             failed = 1;
diff -uNr espeakedit-1.48.03.orig/src/readclause.cpp espeakedit-1.48.03/src/readclause.cpp
--- espeakedit-1.48.03.orig/src/readclause.cpp	2014-03-04 17:48:11.000000000 +0100
+++ espeakedit-1.48.03/src/readclause.cpp	2014-07-22 16:38:37.190440504 +0200
@@ -892,7 +892,7 @@
 			if((fd_temp = mkstemp(fname_temp)) >= 0)
 			{
 				close(fd_temp);
-				sprintf(command,"sox \"%s\" -r %d -c1 -t wav %s\n", fname, samplerate, fname_temp);
+				sprintf(command,"@sox@ \"%s\" -r %d -c1 -t wav %s\n", fname, samplerate, fname_temp);
 				if(system(command) == 0)
 				{
 					fname = fname_temp;