- use egfortran by default

Index: src/fpm_command_line.f90
--- src/fpm_command_line.f90.orig
+++ src/fpm_command_line.f90
@@ -144,7 +144,7 @@ character(len=80), parameter :: help_text_build_common
     ]
 !   '12345678901234567890123456789012345678901234567890123456789012345678901234567890',&
 character(len=80), parameter :: help_text_compiler(*) = [character(len=80) :: &
-    ' --compiler NAME    Specify a compiler name. The default is "gfortran"          ',&
+    ' --compiler NAME    Specify a compiler name. The default is "egfortran"         ',&
     '                    unless set by the environment variable FPM_FC.              ',&
     ' --c-compiler NAME  Specify the C compiler name. Automatically determined by    ',&
     '                    default unless set by the environment variable FPM_CC.      ',&
@@ -203,7 +203,7 @@ contains
 
         character(len=*), parameter :: fc_env = "FC", cc_env = "CC", ar_env = "AR", &
             & fflags_env = "FFLAGS", cflags_env = "CFLAGS", cxxflags_env = "CXXFLAGS", ldflags_env = "LDFLAGS", &
-            & fc_default = "gfortran", cc_default = " ", ar_default = " ", flags_default = " ", &
+            & fc_default = "egfortran", cc_default = " ", ar_default = " ", flags_default = " ", &
             & cxx_env = "CXX", cxx_default = " "
         type(error_t), allocatable :: error