Add braces for the main functions in the new source files at samples

samples/crwedit.cpp

@@ -15,7 +15,9 @@ void add(Exiv2::Internal::CiffHeader* pHead);
 void help();
 void write(const std::string& filename, const Exiv2::Internal::CiffHeader* pHead);
 
-int main(int argc, char* const argv[]) try {
+int main(int argc, char* const argv[])
+{
+    try {
         if (argc != 2) {
             std::cout << "Usage: " << argv[0] << " file\n";
             std::cout << "Edit the CIFF structure of a CRW file\n";
@@ -80,6 +82,7 @@ int main(int argc, char* const argv[]) try {
         std::cerr << e << "\n";
         return -1;
     }
+}
 
 void write(const std::string& filename, const Exiv2::Internal::CiffHeader* pHead)
 {

samples/crwparse.cpp

@@ -8,7 +8,9 @@
 
 #include <iostream>
 
-int main(int argc, char* const argv[]) try {
+int main(int argc, char* const argv[])
+{
+    try {
         if (argc != 2) {
             std::cout << "Usage: " << argv[0] << " file\n";
             std::cout << "Print the CIFF structure of a CRW file\n";
@@ -45,3 +47,4 @@ int main(int argc, char* const argv[]) try {
         std::cerr << e << "\n";
         return -1;
     }
+}

samples/mrwthumb.cpp

@@ -7,7 +7,9 @@
 #include "exif.hpp"
 #include "image.hpp"
 
-int main(int argc, char* const argv[]) try {
+int main(int argc, char* const argv[])
+{
+    try {
         if (argc != 2) {
             std::cout << "Usage: " << argv[0] << " file\n";
             return 1;
@@ -45,3 +47,4 @@ int main(int argc, char* const argv[]) try {
         std::cout << "Caught Exiv2 exception '" << e << "'\n";
         return -1;
     }
+}

samples/xmpdump.cpp

@@ -7,7 +7,9 @@
 #include <string>
 #include "image.hpp"
 
-int main(int argc, char* const argv[]) try {
+int main(int argc, char* const argv[])
+{
+    try {
         if (argc != 2) {
             std::cout << "Usage: " << argv[0] << " file\n";
             return 1;
@@ -30,3 +32,4 @@ int main(int argc, char* const argv[]) try {
         std::cout << "Caught Exiv2 exception '" << e << "'\n";
         return -1;
     }
+}