Fixed compiler warnings

Author: kcleal

src/drawing.cpp

@@ -213,7 +213,7 @@ namespace Drawing {
                 float width;
                 if ((int) mmVector.size() <= opts.snp_threshold) {
                     float mms = xScaling * mmScaling;
-                    width = (mmVector.size() < opts.snp_threshold) ? ((1. > mms) ? 1. : mms) : xScaling;
+                    width = ((int)mmVector.size() < opts.snp_threshold) ? ((1. > mms) ? 1. : mms) : xScaling;
                 } else {
                     width = xScaling;
                 }

src/plot_commands.cpp

@@ -135,7 +135,7 @@ namespace Commands {
                 Term::printSelectedSam(p->selectedAlign, out);
             } else if (parts.size() == 3 && (Utils::endsWith(parts[2], ".sam") || Utils::endsWith(parts[2], ".bam") || Utils::endsWith(parts[2], ".cram"))) {
                 std::string o_str = parts[2];
-                if (p->headers.empty() || p->regionSelection >= p->headers.size()) {
+                if (p->headers.empty() || p->regionSelection >= (int)p->headers.size()) {
                     return Err::SILENT;
                 }
                 sam_hdr_t *hdr = sam_hdr_dup(p->headers[p->regionSelection]);
@@ -1488,7 +1488,7 @@ namespace Commands {
 
     Err header_command(Plot* p, std::string& command, std::vector<std::string> parts, std::ostream& out) {
         p->redraw = true;
-        if (p->headers.empty() || p->regionSelection >= p->headers.size()) {
+        if (p->headers.empty() || p->regionSelection >= (int)p->headers.size()) {
             return Err::SILENT;
         }
         sam_hdr_t *hdr = p->headers[p->regionSelection];

src/plot_controls.cpp

@@ -548,7 +548,7 @@ namespace Manager {
         if (variantTracks.empty()) {
             variantFileSelection = -1;
             mode = Show::SINGLE;
-        } else if (variantFileSelection > variantTracks.size()) {
+        } else if (variantFileSelection > (int)variantTracks.size()) {
             variantFileSelection = 0;
         }
 //        for (auto &trk: variantTracks) {

src/utils.cpp

@@ -480,7 +480,7 @@ namespace Utils {
     }
 
     std::string & Label::current() {
-        if (labels.empty() || i >= labels.size()) {
+        if (labels.empty() || i >= (int)labels.size()) {
             throw std::runtime_error("Label::current tried to use an invalid label list");
         }
         return labels[i];