more informative create_file failure logs (#40)

# Description

`create_file()` failures now log the filename argument so we can see
what failed to be created.

src/acquire-core-platform/linux/platform.c

@@ -38,18 +38,20 @@ int
 file_create(struct file* file, const char* filename, size_t bytesof_filename)
 {
     file->fid = open(filename, O_RDWR | O_CREAT | O_NONBLOCK, 0666);
-    if (file->fid < 0)
+    if (file->fid < 0) {
         CHECK_POSIX(errno);
-    {
+    } else {
         int ret = flock(file->fid, LOCK_EX | LOCK_NB);
         if (ret < 0) {
+            LOGE("Failed to create existing file \"%s\"", filename);
             int tmp = errno;
             close(file->fid);
             CHECK_POSIX(tmp);
         }
     }
     return 1;
 Error:
+    LOGE("Failed to create \"%s\"", filename);
     return 0;
 }
 

src/acquire-core-platform/osx/platform.c

@@ -45,10 +45,12 @@ int
 file_create(struct file* file, const char* filename, size_t bytesof_filename)
 {
     file->fid = open(filename, O_RDWR | O_CREAT | O_EXLOCK | O_NONBLOCK, 0666);
-    if (file->fid < 0)
+    if (file->fid < 0) {
         CHECK_POSIX(errno);
+    }
     return 1;
 Error:
+    LOGE("Failed to create \"%s\"", filename);
     return 0;
 }
 

src/acquire-core-platform/win32/platform.c

@@ -81,6 +81,7 @@ file_create(struct file* file, const char* filename, size_t bytes_of_filename)
                                            0));
     return 1;
 Error:
+    LOGE("Could not create \"%s\"", filename);
     return 0;
 }
 
@@ -438,8 +439,7 @@ thread_join(struct thread* self)
     if (thread != INVALID_HANDLE_VALUE) {
         self->inner_ = INVALID_HANDLE_VALUE;
         TRACE("WFSO %p", thread);
-        WaitForSingleObject(thread,
-                            INFINITE);
+        WaitForSingleObject(thread, INFINITE);
         CloseHandle(thread);
     }
 }