chore(files): moving wsprd files in a single directory

Makefile

@@ -2,7 +2,7 @@ CC = gcc
 CFLAGS= -Wall -O3 -ffast-math -std=gnu17
 LIBS = -lusb-1.0 -lrtlsdr -lpthread -lfftw3f -lcurl -lm
 
-OBJS = rtlsdr_wsprd.o wsprd.o wsprsim_utils.o wsprd_utils.o tab.o fano.o nhash.o
+OBJS = rtlsdr_wsprd.o wsprd/wsprd.o wsprd/wsprsim_utils.o wsprd/wsprd_utils.o wsprd/tab.o wsprd/fano.o wsprd/nhash.o
 
 TARGETS = rtlsdr_wsprd
 
@@ -17,4 +17,4 @@ rtlsdr_wsprd: $(OBJS)
 	$(CC) -o $@ $^ $(LIBS)
 
 clean:
-	rm -f *.o $(TARGETS) wspr_wisdom.dat hashtable.txt
+	rm -f *.o wsprd/*.o $(TARGETS) wspr_wisdom.dat hashtable.txt

rtlsdr_wsprd.c

@@ -43,7 +43,7 @@
 #include <rtl-sdr.h>
 
 #include "./rtlsdr_wsprd.h"
-#include "./wsprd.h"
+#include "wsprd/wsprd.h"
 
 
 /* Sampling definition for RTL devices */

wsprd/nhash.c

@@ -73,7 +73,7 @@ on 1 byte), but shoehorning those bytes into integers efficiently is messy.
 #include <stdio.h>
 #include <stdint.h>
 
-#include "nhash.h"
+#include "./nhash.h"
 //#include <sys/param.h>  /* attempt to define endianness */
 //#ifdef linux
 //# include <endian.h>    /* attempt to define endianness */

wsprd/wsprd.c

@@ -37,12 +37,12 @@
 #include <string.h>
 #include <fftw3.h>
 
-#include "wsprd.h"
-#include "fano.h"
-#include "nhash.h"
-#include "wsprd_utils.h"
-#include "wsprsim_utils.h"
-#include "metric_tables.h"
+#include "./wsprd.h"
+#include "./fano.h"
+#include "./nhash.h"
+#include "./wsprd_utils.h"
+#include "./wsprsim_utils.h"
+#include "./metric_tables.h"
 
 
 #define DF       375.0 / 256.0

wsprd/wsprsim_utils.c

@@ -7,10 +7,10 @@
 #include <stdint.h>
 #include <ctype.h>
 
-#include "wsprsim_utils.h"
-#include "wsprd_utils.h"
-#include "nhash.h"
-#include "fano.h"
+#include "./wsprsim_utils.h"
+#include "./wsprd_utils.h"
+#include "./nhash.h"
+#include "./fano.h"
 
 
 char get_locator_character_code(char ch) {