Added header for depth output file

RadSex.pro

@@ -40,7 +40,8 @@ SOURCES += main.cpp \
     include/bwa/QSufSort.c \
     include/bwa/rle.c \
     include/bwa/rope.c \
-    include/bwa/utils.c
+    include/bwa/utils.c \
+    src/depth.cpp
 
 HEADERS += \
     include/bwa/bntseq.h \
@@ -80,4 +81,5 @@ HEADERS += \
     src/significant_sequences.h \
     src/stats.h \
     src/subset.h \
-    src/utils.h
+    src/utils.h \
+    src/depth.h

src/depth.cpp

@@ -79,6 +79,8 @@ void depth(Parameters& parameters) {
 
         if (output_file.is_open()) {
 
+            output_file << "Individual\tSex\tMarkers\n";
+
             for (auto i: individual_depths) {
                 output_file << i.first << "\t";
                 (popmap[i.first]) ? output_file << "M" : output_file << "F";